1 /* gfortran header file
2 Copyright (C) 2000-2018 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_GFORTRAN_H
22 #define GCC_GFORTRAN_H
24 /* It's probably insane to have this large of a header file, but it
25 seemed like everything had to be recompiled anyway when a change
26 was made to a header file, and there were ordering issues with
27 multiple header files. Besides, Microsoft's winnt.h was 250k last
28 time I looked, so by comparison this is perfectly reasonable. */
30 #ifndef GCC_CORETYPES_H
31 #error "gfortran.h must be included after coretypes.h"
34 /* In order for the format checking to accept the Fortran front end
35 diagnostic framework extensions, you must include this file before
36 diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
39 #define GCC_DIAG_STYLE __gcc_gfc__
40 #if defined(GCC_DIAGNOSTIC_CORE_H)
42 In order for the format checking to accept the Fortran front end diagnostic \
43 framework extensions, you must include this file before diagnostic-core.h, \
47 /* Declarations common to the front-end and library are put in
48 libgfortran/libgfortran_frontend.h */
49 #include "libgfortran.h"
53 #include "splay-tree.h"
55 /* Major control parameters. */
57 #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */
58 #define GFC_LETTERS 26 /* Number of letters in the alphabet. */
60 #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */
63 #define gfc_is_whitespace(c) ((c==' ') || (c=='\t') || (c=='\f'))
65 /* Macros to check for groups of structure-like types and flavors since
66 derived types, structures, maps, unions are often treated similarly. */
67 #define gfc_bt_struct(t) \
68 ((t) == BT_DERIVED || (t) == BT_UNION)
69 #define gfc_fl_struct(f) \
70 ((f) == FL_DERIVED || (f) == FL_UNION || (f) == FL_STRUCT)
71 #define case_bt_struct case BT_DERIVED: case BT_UNION
72 #define case_fl_struct case FL_DERIVED: case FL_UNION: case FL_STRUCT
75 #define stringize(x) expand_macro(x)
76 #define expand_macro(x) # x
78 /* For the runtime library, a standard prefix is a requirement to
79 avoid cluttering the namespace with things nobody asked for. It's
80 ugly to look at and a pain to type when you add the prefix by hand,
81 so we hide it behind a macro. */
82 #define PREFIX(x) "_gfortran_" x
85 /* A prefix for internal variables, which are not user-visible. */
86 #if !defined (NO_DOT_IN_LABEL)
87 # define GFC_PREFIX(x) "_F." x
88 #elif !defined (NO_DOLLAR_IN_LABEL)
89 # define GFC_PREFIX(x) "_F$" x
91 # define GFC_PREFIX(x) "_F_" x
94 #define BLANK_COMMON_NAME "__BLNK__"
96 /* Macro to initialize an mstring structure. */
97 #define minit(s, t) { s, NULL, t }
99 /* Structure for storing strings to be matched by gfc_match_string. */
110 /*************************** Enums *****************************/
112 /* Used when matching and resolving data I/O transfer statements. */
115 { M_READ
, M_WRITE
, M_PRINT
, M_INQUIRE
};
118 /* These are flags for identifying whether we are reading a character literal
119 between quotes or normal source code. */
122 { NONSTRING
= 0, INSTRING_WARN
, INSTRING_NOWARN
};
124 /* This is returned by gfc_notification_std to know if, given the flags
125 that were given (-std=, -pedantic) we should issue an error, a warning
129 { SILENT
, WARNING
, ERROR
};
131 /* Matchers return one of these three values. The difference between
132 MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was
133 successful, but that something non-syntactic is wrong and an error
134 has already been issued. */
137 { MATCH_NO
= 1, MATCH_YES
, MATCH_ERROR
};
139 /* Used for different Fortran source forms in places like scanner.c. */
141 { FORM_FREE
, FORM_FIXED
, FORM_UNKNOWN
};
143 /* Expression node types. */
145 { EXPR_OP
= 1, EXPR_FUNCTION
, EXPR_CONSTANT
, EXPR_VARIABLE
,
146 EXPR_SUBSTRING
, EXPR_STRUCTURE
, EXPR_ARRAY
, EXPR_NULL
, EXPR_COMPCALL
, EXPR_PPC
151 { AS_EXPLICIT
= 1, AS_ASSUMED_SHAPE
, AS_DEFERRED
,
152 AS_ASSUMED_SIZE
, AS_IMPLIED_SHAPE
, AS_ASSUMED_RANK
,
157 { AR_FULL
= 1, AR_ELEMENT
, AR_SECTION
, AR_UNKNOWN
};
159 /* Statement label types. ST_LABEL_DO_TARGET is used for obsolescent warnings
160 related to shared DO terminations and DO targets which are neither END DO
161 nor CONTINUE; otherwise it is identical to ST_LABEL_TARGET. */
163 { ST_LABEL_UNKNOWN
= 1, ST_LABEL_TARGET
, ST_LABEL_DO_TARGET
,
164 ST_LABEL_BAD_TARGET
, ST_LABEL_FORMAT
167 /* Intrinsic operators. */
168 enum gfc_intrinsic_op
169 { GFC_INTRINSIC_BEGIN
= 0,
170 INTRINSIC_NONE
= -1, INTRINSIC_UPLUS
= GFC_INTRINSIC_BEGIN
,
171 INTRINSIC_UMINUS
, INTRINSIC_PLUS
, INTRINSIC_MINUS
, INTRINSIC_TIMES
,
172 INTRINSIC_DIVIDE
, INTRINSIC_POWER
, INTRINSIC_CONCAT
,
173 INTRINSIC_AND
, INTRINSIC_OR
, INTRINSIC_EQV
, INTRINSIC_NEQV
,
174 /* ==, /=, >, >=, <, <= */
175 INTRINSIC_EQ
, INTRINSIC_NE
, INTRINSIC_GT
, INTRINSIC_GE
,
176 INTRINSIC_LT
, INTRINSIC_LE
,
177 /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */
178 INTRINSIC_EQ_OS
, INTRINSIC_NE_OS
, INTRINSIC_GT_OS
, INTRINSIC_GE_OS
,
179 INTRINSIC_LT_OS
, INTRINSIC_LE_OS
,
180 INTRINSIC_NOT
, INTRINSIC_USER
, INTRINSIC_ASSIGN
, INTRINSIC_PARENTHESES
,
181 GFC_INTRINSIC_END
, /* Sentinel */
182 /* User defined derived type pseudo operators. These are set beyond the
183 sentinel so that they are excluded from module_read and module_write. */
184 INTRINSIC_FORMATTED
, INTRINSIC_UNFORMATTED
187 /* This macro is the number of intrinsic operators that exist.
188 Assumptions are made about the numbering of the interface_op enums. */
189 #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END
191 /* Arithmetic results. */
193 { ARITH_OK
= 1, ARITH_OVERFLOW
, ARITH_UNDERFLOW
, ARITH_NAN
,
194 ARITH_DIV0
, ARITH_INCOMMENSURATE
, ARITH_ASYMMETRIC
, ARITH_PROHIBIT
200 ST_ARITHMETIC_IF
, ST_ALLOCATE
, ST_ATTR_DECL
, ST_ASSOCIATE
,
201 ST_BACKSPACE
, ST_BLOCK
, ST_BLOCK_DATA
,
202 ST_CALL
, ST_CASE
, ST_CLOSE
, ST_COMMON
, ST_CONTINUE
, ST_CONTAINS
, ST_CYCLE
,
203 ST_DATA
, ST_DATA_DECL
, ST_DEALLOCATE
, ST_DO
, ST_ELSE
, ST_ELSEIF
,
204 ST_ELSEWHERE
, ST_END_ASSOCIATE
, ST_END_BLOCK
, ST_END_BLOCK_DATA
,
205 ST_ENDDO
, ST_IMPLIED_ENDDO
, ST_END_FILE
, ST_FINAL
, ST_FLUSH
, ST_END_FORALL
,
206 ST_END_FUNCTION
, ST_ENDIF
, ST_END_INTERFACE
, ST_END_MODULE
, ST_END_SUBMODULE
,
207 ST_END_PROGRAM
, ST_END_SELECT
, ST_END_SUBROUTINE
, ST_END_WHERE
, ST_END_TYPE
,
208 ST_ENTRY
, ST_EQUIVALENCE
, ST_ERROR_STOP
, ST_EXIT
, ST_FORALL
, ST_FORALL_BLOCK
,
209 ST_FORMAT
, ST_FUNCTION
, ST_GOTO
, ST_IF_BLOCK
, ST_IMPLICIT
, ST_IMPLICIT_NONE
,
210 ST_IMPORT
, ST_INQUIRE
, ST_INTERFACE
, ST_SYNC_ALL
, ST_SYNC_MEMORY
,
211 ST_SYNC_IMAGES
, ST_PARAMETER
, ST_MODULE
, ST_SUBMODULE
, ST_MODULE_PROC
,
212 ST_NAMELIST
, ST_NULLIFY
, ST_OPEN
, ST_PAUSE
, ST_PRIVATE
, ST_PROGRAM
, ST_PUBLIC
,
213 ST_READ
, ST_RETURN
, ST_REWIND
, ST_STOP
, ST_SUBROUTINE
, ST_TYPE
, ST_USE
,
214 ST_WHERE_BLOCK
, ST_WHERE
, ST_WAIT
, ST_WRITE
, ST_ASSIGNMENT
,
215 ST_POINTER_ASSIGNMENT
, ST_SELECT_CASE
, ST_SEQUENCE
, ST_SIMPLE_IF
,
216 ST_STATEMENT_FUNCTION
, ST_DERIVED_DECL
, ST_LABEL_ASSIGNMENT
, ST_ENUM
,
217 ST_ENUMERATOR
, ST_END_ENUM
, ST_SELECT_TYPE
, ST_TYPE_IS
, ST_CLASS_IS
,
218 ST_STRUCTURE_DECL
, ST_END_STRUCTURE
,
219 ST_UNION
, ST_END_UNION
, ST_MAP
, ST_END_MAP
,
220 ST_OACC_PARALLEL_LOOP
, ST_OACC_END_PARALLEL_LOOP
, ST_OACC_PARALLEL
,
221 ST_OACC_END_PARALLEL
, ST_OACC_KERNELS
, ST_OACC_END_KERNELS
, ST_OACC_DATA
,
222 ST_OACC_END_DATA
, ST_OACC_HOST_DATA
, ST_OACC_END_HOST_DATA
, ST_OACC_LOOP
,
223 ST_OACC_END_LOOP
, ST_OACC_DECLARE
, ST_OACC_UPDATE
, ST_OACC_WAIT
,
224 ST_OACC_CACHE
, ST_OACC_KERNELS_LOOP
, ST_OACC_END_KERNELS_LOOP
,
225 ST_OACC_ENTER_DATA
, ST_OACC_EXIT_DATA
, ST_OACC_ROUTINE
,
226 ST_OACC_ATOMIC
, ST_OACC_END_ATOMIC
,
227 ST_OMP_ATOMIC
, ST_OMP_BARRIER
, ST_OMP_CRITICAL
, ST_OMP_END_ATOMIC
,
228 ST_OMP_END_CRITICAL
, ST_OMP_END_DO
, ST_OMP_END_MASTER
, ST_OMP_END_ORDERED
,
229 ST_OMP_END_PARALLEL
, ST_OMP_END_PARALLEL_DO
, ST_OMP_END_PARALLEL_SECTIONS
,
230 ST_OMP_END_PARALLEL_WORKSHARE
, ST_OMP_END_SECTIONS
, ST_OMP_END_SINGLE
,
231 ST_OMP_END_WORKSHARE
, ST_OMP_DO
, ST_OMP_FLUSH
, ST_OMP_MASTER
, ST_OMP_ORDERED
,
232 ST_OMP_PARALLEL
, ST_OMP_PARALLEL_DO
, ST_OMP_PARALLEL_SECTIONS
,
233 ST_OMP_PARALLEL_WORKSHARE
, ST_OMP_SECTIONS
, ST_OMP_SECTION
, ST_OMP_SINGLE
,
234 ST_OMP_THREADPRIVATE
, ST_OMP_WORKSHARE
, ST_OMP_TASK
, ST_OMP_END_TASK
,
235 ST_OMP_TASKWAIT
, ST_OMP_TASKYIELD
, ST_OMP_CANCEL
, ST_OMP_CANCELLATION_POINT
,
236 ST_OMP_TASKGROUP
, ST_OMP_END_TASKGROUP
, ST_OMP_SIMD
, ST_OMP_END_SIMD
,
237 ST_OMP_DO_SIMD
, ST_OMP_END_DO_SIMD
, ST_OMP_PARALLEL_DO_SIMD
,
238 ST_OMP_END_PARALLEL_DO_SIMD
, ST_OMP_DECLARE_SIMD
, ST_OMP_DECLARE_REDUCTION
,
239 ST_OMP_TARGET
, ST_OMP_END_TARGET
, ST_OMP_TARGET_DATA
, ST_OMP_END_TARGET_DATA
,
240 ST_OMP_TARGET_UPDATE
, ST_OMP_DECLARE_TARGET
,
241 ST_OMP_TEAMS
, ST_OMP_END_TEAMS
, ST_OMP_DISTRIBUTE
, ST_OMP_END_DISTRIBUTE
,
242 ST_OMP_DISTRIBUTE_SIMD
, ST_OMP_END_DISTRIBUTE_SIMD
,
243 ST_OMP_DISTRIBUTE_PARALLEL_DO
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO
,
244 ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
, ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD
,
245 ST_OMP_TARGET_TEAMS
, ST_OMP_END_TARGET_TEAMS
, ST_OMP_TEAMS_DISTRIBUTE
,
246 ST_OMP_END_TEAMS_DISTRIBUTE
, ST_OMP_TEAMS_DISTRIBUTE_SIMD
,
247 ST_OMP_END_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TARGET_TEAMS_DISTRIBUTE
,
248 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE
, ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
249 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD
, ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
250 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO
,
251 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
252 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
253 ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
254 ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
255 ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
256 ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
257 ST_OMP_TARGET_PARALLEL
, ST_OMP_END_TARGET_PARALLEL
,
258 ST_OMP_TARGET_PARALLEL_DO
, ST_OMP_END_TARGET_PARALLEL_DO
,
259 ST_OMP_TARGET_PARALLEL_DO_SIMD
, ST_OMP_END_TARGET_PARALLEL_DO_SIMD
,
260 ST_OMP_TARGET_ENTER_DATA
, ST_OMP_TARGET_EXIT_DATA
,
261 ST_OMP_TARGET_SIMD
, ST_OMP_END_TARGET_SIMD
,
262 ST_OMP_TASKLOOP
, ST_OMP_END_TASKLOOP
,
263 ST_OMP_TASKLOOP_SIMD
, ST_OMP_END_TASKLOOP_SIMD
, ST_OMP_ORDERED_DEPEND
,
264 ST_PROCEDURE
, ST_GENERIC
, ST_CRITICAL
, ST_END_CRITICAL
,
265 ST_GET_FCN_CHARACTERISTICS
, ST_LOCK
, ST_UNLOCK
, ST_EVENT_POST
,
266 ST_EVENT_WAIT
, ST_FAIL_IMAGE
, ST_FORM_TEAM
, ST_CHANGE_TEAM
,
267 ST_END_TEAM
, ST_SYNC_TEAM
, ST_NONE
270 /* Types of interfaces that we can have. Assignment interfaces are
271 considered to be intrinsic operators. */
274 INTERFACE_NAMELESS
= 1, INTERFACE_GENERIC
,
275 INTERFACE_INTRINSIC_OP
, INTERFACE_USER_OP
, INTERFACE_ABSTRACT
,
279 /* Symbol flavors: these are all mutually exclusive.
280 12 elements = 4 bits. */
283 FL_UNKNOWN
= 0, FL_PROGRAM
, FL_BLOCK_DATA
, FL_MODULE
, FL_VARIABLE
,
284 FL_PARAMETER
, FL_LABEL
, FL_PROCEDURE
, FL_DERIVED
, FL_NAMELIST
,
285 FL_UNION
, FL_STRUCT
, FL_VOID
288 /* Procedure types. 7 elements = 3 bits. */
290 { PROC_UNKNOWN
, PROC_MODULE
, PROC_INTERNAL
, PROC_DUMMY
,
291 PROC_INTRINSIC
, PROC_ST_FUNCTION
, PROC_EXTERNAL
294 /* Intent types. Note that these values are also used in another enum in
295 decl.c (match_attr_spec). */
297 { INTENT_UNKNOWN
= 0, INTENT_IN
, INTENT_OUT
, INTENT_INOUT
302 { ACCESS_UNKNOWN
= 0, ACCESS_PUBLIC
, ACCESS_PRIVATE
305 /* Flags to keep track of where an interface came from.
306 3 elements = 2 bits. */
308 { IFSRC_UNKNOWN
= 0, /* Interface unknown, only return type may be known. */
309 IFSRC_DECL
, /* FUNCTION or SUBROUTINE declaration. */
310 IFSRC_IFBODY
/* INTERFACE statement or PROCEDURE statement
311 with explicit interface. */
314 /* Whether a SAVE attribute was set explicitly or implicitly. */
316 { SAVE_NONE
= 0, SAVE_EXPLICIT
, SAVE_IMPLICIT
319 /* Strings for all symbol attributes. We use these for dumping the
320 parse tree, in error messages, and also when reading and writing
321 modules. In symbol.c. */
322 extern const mstring flavors
[];
323 extern const mstring procedures
[];
324 extern const mstring intents
[];
325 extern const mstring access_types
[];
326 extern const mstring ifsrc_types
[];
327 extern const mstring save_status
[];
329 /* Strings for DTIO procedure names. In symbol.c. */
330 extern const mstring dtio_procs
[];
333 { DTIO_RF
= 0, DTIO_WF
, DTIO_RUF
, DTIO_WUF
};
335 /* Enumeration of all the generic intrinsic functions. Used by the
336 backend for identification of a function. */
340 /* GFC_ISYM_NONE is used for intrinsics which will never be seen by
341 the backend (e.g. KIND). */
369 GFC_ISYM_ATOMIC_FETCH_ADD
,
370 GFC_ISYM_ATOMIC_FETCH_AND
,
371 GFC_ISYM_ATOMIC_FETCH_OR
,
372 GFC_ISYM_ATOMIC_FETCH_XOR
,
389 GFC_ISYM_CO_BROADCAST
,
394 GFC_ISYM_COMMAND_ARGUMENT_COUNT
,
395 GFC_ISYM_COMPILER_OPTIONS
,
396 GFC_ISYM_COMPILER_VERSION
,
407 GFC_ISYM_C_ASSOCIATED
,
408 GFC_ISYM_C_F_POINTER
,
409 GFC_ISYM_C_F_PROCPOINTER
,
413 GFC_ISYM_DATE_AND_TIME
,
417 GFC_ISYM_DOT_PRODUCT
,
426 GFC_ISYM_ERFC_SCALED
,
428 GFC_ISYM_EVENT_QUERY
,
429 GFC_ISYM_EXECUTE_COMMAND_LINE
,
433 GFC_ISYM_EXTENDS_TYPE_OF
,
434 GFC_ISYM_FAILED_IMAGES
,
436 GFC_ISYM_FE_RUNTIME_ERROR
,
452 GFC_ISYM_GET_COMMAND
,
453 GFC_ISYM_GET_COMMAND_ARGUMENT
,
456 GFC_ISYM_GET_ENVIRONMENT_VARIABLE
,
478 GFC_ISYM_IMAGE_INDEX
,
479 GFC_ISYM_IMAGE_STATUS
,
488 GFC_ISYM_IS_IOSTAT_END
,
489 GFC_ISYM_IS_IOSTAT_EOR
,
524 GFC_ISYM_MAXEXPONENT
,
532 GFC_ISYM_MINEXPONENT
,
557 GFC_ISYM_RANDOM_INIT
,
558 GFC_ISYM_RANDOM_NUMBER
,
559 GFC_ISYM_RANDOM_SEED
,
568 GFC_ISYM_SAME_TYPE_AS
,
574 GFC_ISYM_SET_EXPONENT
,
594 GFC_ISYM_STOPPED_IMAGES
,
595 GFC_ISYM_STORAGE_SIZE
,
601 GFC_ISYM_SYSTEM_CLOCK
,
604 GFC_ISYM_TEAM_NUMBER
,
627 enum init_local_logical
629 GFC_INIT_LOGICAL_OFF
= 0,
630 GFC_INIT_LOGICAL_FALSE
,
631 GFC_INIT_LOGICAL_TRUE
634 enum init_local_character
636 GFC_INIT_CHARACTER_OFF
= 0,
637 GFC_INIT_CHARACTER_ON
640 enum init_local_integer
642 GFC_INIT_INTEGER_OFF
= 0,
654 enum gfc_param_spec_type
661 /************************* Structures *****************************/
663 /* Used for keeping things in balanced binary trees. */
664 #define BBT_HEADER(self) int priority; struct self *left, *right
666 #define NAMED_INTCST(a,b,c,d) a,
667 #define NAMED_KINDARRAY(a,b,c,d) a,
668 #define NAMED_FUNCTION(a,b,c,d) a,
669 #define NAMED_SUBROUTINE(a,b,c,d) a,
670 #define NAMED_DERIVED_TYPE(a,b,c,d) a,
671 enum iso_fortran_env_symbol
673 ISOFORTRANENV_INVALID
= -1,
674 #include "iso-fortran-env.def"
675 ISOFORTRANENV_LAST
, ISOFORTRANENV_NUMBER
= ISOFORTRANENV_LAST
678 #undef NAMED_KINDARRAY
679 #undef NAMED_FUNCTION
680 #undef NAMED_SUBROUTINE
681 #undef NAMED_DERIVED_TYPE
683 #define NAMED_INTCST(a,b,c,d) a,
684 #define NAMED_REALCST(a,b,c,d) a,
685 #define NAMED_CMPXCST(a,b,c,d) a,
686 #define NAMED_LOGCST(a,b,c) a,
687 #define NAMED_CHARKNDCST(a,b,c) a,
688 #define NAMED_CHARCST(a,b,c) a,
689 #define DERIVED_TYPE(a,b,c) a,
690 #define NAMED_FUNCTION(a,b,c,d) a,
691 #define NAMED_SUBROUTINE(a,b,c,d) a,
692 enum iso_c_binding_symbol
694 ISOCBINDING_INVALID
= -1,
695 #include "iso-c-binding.def"
697 ISOCBINDING_NUMBER
= ISOCBINDING_LAST
703 #undef NAMED_CHARKNDCST
706 #undef NAMED_FUNCTION
707 #undef NAMED_SUBROUTINE
711 INTMOD_NONE
= 0, INTMOD_ISO_FORTRAN_ENV
, INTMOD_ISO_C_BINDING
,
712 INTMOD_IEEE_FEATURES
, INTMOD_IEEE_EXCEPTIONS
, INTMOD_IEEE_ARITHMETIC
717 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
718 int value
; /* Used for both integer and character values. */
723 /* Array of structs, where the structs represent the C interop kinds.
724 The list will be implemented based on a hash of the kind name since
725 these could be accessed multiple times.
726 Declared in trans-types.c as a global, since it's in that file
727 that the list is initialized. */
728 extern CInteropKind_t c_interop_kinds_table
[];
731 /* Structure and list of supported extension attributes. */
734 EXT_ATTR_DLLIMPORT
= 0,
739 EXT_ATTR_NO_ARG_CHECK
,
740 EXT_ATTR_LAST
, EXT_ATTR_NUM
= EXT_ATTR_LAST
748 const char *middle_end_name
;
752 extern const ext_attr_t ext_attr_list
[];
754 /* Symbol attribute structure. */
757 /* Variable attributes. */
758 unsigned allocatable
:1, dimension
:1, codimension
:1, external
:1, intrinsic
:1,
759 optional
:1, pointer
:1, target
:1, value
:1, volatile_
:1, temporary
:1,
760 dummy
:1, result
:1, assign
:1, threadprivate
:1, not_always_present
:1,
761 implied_index
:1, subref_array_pointer
:1, proc_pointer
:1, asynchronous
:1,
762 contiguous
:1, fe_temp
: 1, automatic
: 1;
764 /* For CLASS containers, the pointer attribute is sometimes set internally
765 even though it was not directly specified. In this case, keep the
766 "real" (original) value here. */
767 unsigned class_pointer
:1;
769 ENUM_BITFIELD (save_state
) save
:2;
771 unsigned data
:1, /* Symbol is named in a DATA statement. */
772 is_protected
:1, /* Symbol has been marked as protected. */
773 use_assoc
:1, /* Symbol has been use-associated. */
774 used_in_submodule
:1, /* Symbol has been use-associated in a
775 submodule. Needed since these entities must
776 be set host associated to be compliant. */
777 use_only
:1, /* Symbol has been use-associated, with ONLY. */
778 use_rename
:1, /* Symbol has been use-associated and renamed. */
779 imported
:1, /* Symbol has been associated by IMPORT. */
780 host_assoc
:1; /* Symbol has been host associated. */
782 unsigned in_namelist
:1, in_common
:1, in_equivalence
:1;
783 unsigned function
:1, subroutine
:1, procedure
:1;
784 unsigned generic
:1, generic_copy
:1;
785 unsigned implicit_type
:1; /* Type defined via implicit rules. */
786 unsigned untyped
:1; /* No implicit type could be found. */
788 unsigned is_bind_c
:1; /* say if is bound to C. */
789 unsigned extension
:8; /* extension level of a derived type. */
790 unsigned is_class
:1; /* is a CLASS container. */
791 unsigned class_ok
:1; /* is a CLASS object with correct attributes. */
792 unsigned vtab
:1; /* is a derived type vtab, pointed to by CLASS objects. */
793 unsigned vtype
:1; /* is a derived type of a vtab. */
795 /* These flags are both in the typespec and attribute. The attribute
796 list is what gets read from/written to a module file. The typespec
797 is created from a decl being processed. */
798 unsigned is_c_interop
:1; /* It's c interoperable. */
799 unsigned is_iso_c
:1; /* Symbol is from iso_c_binding. */
801 /* Function/subroutine attributes */
802 unsigned sequence
:1, elemental
:1, pure
:1, recursive
:1;
803 unsigned unmaskable
:1, masked
:1, contained
:1, mod_proc
:1, abstract
:1;
805 /* Set if this is a module function or subroutine. Note that it is an
806 attribute because it appears as a prefix in the declaration like
808 unsigned module_procedure
:1;
810 /* Set if a (public) symbol [e.g. generic name] exposes this symbol,
811 which is relevant for private module procedures. */
812 unsigned public_used
:1;
814 /* This is set if a contained procedure could be declared pure. This is
815 used for certain optimizations that require the result or arguments
816 cannot alias. Note that this is zero for PURE procedures. */
817 unsigned implicit_pure
:1;
819 /* This is set for a procedure that contains expressions referencing
820 arrays coming from outside its namespace.
821 This is used to force the creation of a temporary when the LHS of
822 an array assignment may be used by an elemental procedure appearing
824 unsigned array_outer_dependency
:1;
826 /* This is set if the subroutine doesn't return. Currently, this
827 is only possible for intrinsic subroutines. */
830 /* Set if this procedure is an alternate entry point. These procedures
831 don't have any code associated, and the backend will turn them into
832 thunks to the master function. */
835 /* Set if this is the master function for a procedure with multiple
837 unsigned entry_master
:1;
839 /* Set if this is the master function for a function with multiple
840 entry points where characteristics of the entry points differ. */
841 unsigned mixed_entry_master
:1;
843 /* Set if a function must always be referenced by an explicit interface. */
844 unsigned always_explicit
:1;
846 /* Set if the symbol is generated and, hence, standard violations
847 shouldn't be flaged. */
848 unsigned artificial
:1;
850 /* Set if the symbol has been referenced in an expression. No further
851 modification of type or type parameters is permitted. */
852 unsigned referenced
:1;
854 /* Set if this is the symbol for the main program. */
855 unsigned is_main_program
:1;
857 /* Mutually exclusive multibit attributes. */
858 ENUM_BITFIELD (gfc_access
) access
:2;
859 ENUM_BITFIELD (sym_intent
) intent
:2;
860 ENUM_BITFIELD (sym_flavor
) flavor
:4;
861 ENUM_BITFIELD (ifsrc
) if_source
:2;
863 ENUM_BITFIELD (procedure_type
) proc
:3;
865 /* Special attributes for Cray pointers, pointees. */
866 unsigned cray_pointer
:1, cray_pointee
:1;
868 /* The symbol is a derived type with allocatable components, pointer
869 components or private components, procedure pointer components,
870 possibly nested. zero_comp is true if the derived type has no
871 component at all. defined_assign_comp is true if the derived
872 type or a (sub-)component has a typebound defined assignment.
873 unlimited_polymorphic flags the type of the container for these
875 unsigned alloc_comp
:1, pointer_comp
:1, proc_pointer_comp
:1,
876 private_comp
:1, zero_comp
:1, coarray_comp
:1, lock_comp
:1,
877 event_comp
:1, defined_assign_comp
:1, unlimited_polymorphic
:1,
878 has_dtio_procs
:1, caf_token
:1;
880 /* This is a temporary selector for SELECT TYPE or an associate
881 variable for SELECT_TYPE or ASSOCIATE. */
882 unsigned select_type_temporary
:1, associate_var
:1;
884 /* These are the attributes required for parameterized derived
886 unsigned pdt_kind
:1, pdt_len
:1, pdt_type
:1, pdt_template
:1,
887 pdt_array
:1, pdt_string
:1;
889 /* This is omp_{out,in,priv,orig} artificial variable in
890 !$OMP DECLARE REDUCTION. */
891 unsigned omp_udr_artificial_var
:1;
893 /* Mentioned in OMP DECLARE TARGET. */
894 unsigned omp_declare_target
:1;
895 unsigned omp_declare_target_link
:1;
897 /* Mentioned in OACC DECLARE. */
898 unsigned oacc_declare_create
:1;
899 unsigned oacc_declare_copyin
:1;
900 unsigned oacc_declare_deviceptr
:1;
901 unsigned oacc_declare_device_resident
:1;
902 unsigned oacc_declare_link
:1;
904 /* This is an OpenACC acclerator function at level N - 1 */
905 unsigned oacc_function
:3;
907 /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */
908 unsigned ext_attr
:EXT_ATTR_NUM
;
910 /* The namespace where the attribute has been set. */
911 struct gfc_namespace
*volatile_ns
, *asynchronous_ns
;
916 /* We need to store source lines as sequences of multibyte source
917 characters. We define here a type wide enough to hold any multibyte
918 source character, just like libcpp does. A 32-bit type is enough. */
920 #if HOST_BITS_PER_INT >= 32
921 typedef unsigned int gfc_char_t
;
922 #elif HOST_BITS_PER_LONG >= 32
923 typedef unsigned long gfc_char_t
;
924 #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32)
925 typedef unsigned long long gfc_char_t
;
927 # error "Cannot find an integer type with at least 32 bits"
931 /* The following three structures are used to identify a location in
934 gfc_file is used to maintain a tree of the source files and how
935 they include each other
937 gfc_linebuf holds a single line of source code and information
938 which file it resides in
940 locus point to the sourceline and the character in the source
944 typedef struct gfc_file
946 struct gfc_file
*next
, *up
;
947 int inclusion_line
, line
;
951 typedef struct gfc_linebuf
953 source_location location
;
954 struct gfc_file
*file
;
955 struct gfc_linebuf
*next
;
963 #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line))
965 #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location))
973 /* In order for the "gfc" format checking to work correctly, you must
974 have declared a typedef locus first. */
975 #if GCC_VERSION >= 4001
976 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m)
978 #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m)
982 /* Suppress error messages or re-enable them. */
984 void gfc_push_suppress_errors (void);
985 void gfc_pop_suppress_errors (void);
988 /* Character length structures hold the expression that gives the
989 length of a character variable. We avoid putting these into
990 gfc_typespec because doing so prevents us from doing structure
991 copies and forces us to deallocate any typespecs we create, as well
992 as structures that contain typespecs. They also can have multiple
993 character typespecs pointing to them.
995 These structures form a singly linked list within the current
996 namespace and are deallocated with the namespace. It is possible to
997 end up with gfc_charlen structures that have nothing pointing to them. */
999 typedef struct gfc_charlen
1001 struct gfc_expr
*length
;
1002 struct gfc_charlen
*next
;
1003 bool length_from_typespec
; /* Length from explicit array ctor typespec? */
1005 tree passed_length
; /* Length argument explicitly passed. */
1011 #define gfc_get_charlen() XCNEW (gfc_charlen)
1013 /* Type specification structure. */
1021 struct gfc_symbol
*derived
; /* For derived types only. */
1022 gfc_charlen
*cl
; /* For character types only. */
1023 int pad
; /* For hollerith types only. */
1027 struct gfc_symbol
*interface
; /* For PROCEDURE declarations. */
1032 gfc_symbol
*interop_kind
;
1036 /* Array specification. */
1039 int rank
; /* A scalar has a rank of 0, an assumed-rank array has -1. */
1041 array_type type
, cotype
;
1042 struct gfc_expr
*lower
[GFC_MAX_DIMENSIONS
], *upper
[GFC_MAX_DIMENSIONS
];
1044 /* These two fields are used with the Cray Pointer extension. */
1045 bool cray_pointee
; /* True iff this spec belongs to a cray pointee. */
1046 bool cp_was_assumed
; /* AS_ASSUMED_SIZE cp arrays are converted to
1047 AS_EXPLICIT, but we want to remember that we
1054 #define gfc_get_array_spec() XCNEW (gfc_array_spec)
1057 /* Components of derived types. */
1058 typedef struct gfc_component
1063 symbol_attribute attr
;
1067 /* Used to cache a FIELD_DECL matching this same component
1068 but applied to a different backend containing type that was
1069 generated by gfc_nonrestricted_type. */
1070 tree norestrict_decl
;
1072 struct gfc_expr
*initializer
;
1073 /* Used in parameterized derived type declarations to store parameterized
1074 kind expressions. */
1075 struct gfc_expr
*kind_expr
;
1076 struct gfc_actual_arglist
*param_list
;
1078 struct gfc_component
*next
;
1080 /* Needed for procedure pointer components. */
1081 struct gfc_typebound_proc
*tb
;
1082 /* When allocatable/pointer and in a coarray the associated token. */
1087 #define gfc_get_component() XCNEW (gfc_component)
1089 /* Formal argument lists are lists of symbols. */
1090 typedef struct gfc_formal_arglist
1092 /* Symbol representing the argument at this position in the arglist. */
1093 struct gfc_symbol
*sym
;
1094 /* Points to the next formal argument. */
1095 struct gfc_formal_arglist
*next
;
1099 #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist)
1102 /* The gfc_actual_arglist structure is for actual arguments and
1103 for type parameter specification lists. */
1104 typedef struct gfc_actual_arglist
1107 /* Alternate return label when the expr member is null. */
1108 struct gfc_st_label
*label
;
1110 /* This is set to the type of an eventual omitted optional
1111 argument. This is used to determine if a hidden string length
1112 argument has to be added to a function call. */
1113 bt missing_arg_type
;
1115 gfc_param_spec_type spec_type
;
1117 struct gfc_expr
*expr
;
1118 struct gfc_actual_arglist
*next
;
1122 #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist)
1125 /* Because a symbol can belong to multiple namelists, they must be
1126 linked externally to the symbol itself. */
1127 typedef struct gfc_namelist
1129 struct gfc_symbol
*sym
;
1130 struct gfc_namelist
*next
;
1134 #define gfc_get_namelist() XCNEW (gfc_namelist)
1136 /* Likewise to gfc_namelist, but contains expressions. */
1137 typedef struct gfc_expr_list
1139 struct gfc_expr
*expr
;
1140 struct gfc_expr_list
*next
;
1144 #define gfc_get_expr_list() XCNEW (gfc_expr_list)
1146 enum gfc_omp_reduction_op
1148 OMP_REDUCTION_NONE
= -1,
1149 OMP_REDUCTION_PLUS
= INTRINSIC_PLUS
,
1150 OMP_REDUCTION_MINUS
= INTRINSIC_MINUS
,
1151 OMP_REDUCTION_TIMES
= INTRINSIC_TIMES
,
1152 OMP_REDUCTION_AND
= INTRINSIC_AND
,
1153 OMP_REDUCTION_OR
= INTRINSIC_OR
,
1154 OMP_REDUCTION_EQV
= INTRINSIC_EQV
,
1155 OMP_REDUCTION_NEQV
= INTRINSIC_NEQV
,
1156 OMP_REDUCTION_MAX
= GFC_INTRINSIC_END
,
1164 enum gfc_omp_depend_op
1169 OMP_DEPEND_SINK_FIRST
,
1180 OMP_MAP_FORCE_ALLOC
,
1183 OMP_MAP_FORCE_TOFROM
,
1184 OMP_MAP_FORCE_PRESENT
,
1185 OMP_MAP_FORCE_DEVICEPTR
,
1186 OMP_MAP_DEVICE_RESIDENT
,
1190 OMP_MAP_ALWAYS_FROM
,
1191 OMP_MAP_ALWAYS_TOFROM
1194 enum gfc_omp_linear_op
1202 /* For use in OpenMP clauses in case we need extra information
1203 (aligned clause alignment, linear clause step, etc.). */
1205 typedef struct gfc_omp_namelist
1207 struct gfc_symbol
*sym
;
1208 struct gfc_expr
*expr
;
1211 gfc_omp_reduction_op reduction_op
;
1212 gfc_omp_depend_op depend_op
;
1213 gfc_omp_map_op map_op
;
1214 gfc_omp_linear_op linear_op
;
1215 struct gfc_common_head
*common
;
1217 struct gfc_omp_namelist_udr
*udr
;
1218 struct gfc_omp_namelist
*next
;
1223 #define gfc_get_omp_namelist() XCNEW (gfc_omp_namelist)
1228 OMP_LIST_PRIVATE
= OMP_LIST_FIRST
,
1229 OMP_LIST_FIRSTPRIVATE
,
1230 OMP_LIST_LASTPRIVATE
,
1231 OMP_LIST_COPYPRIVATE
,
1242 OMP_LIST_DEVICE_RESIDENT
,
1244 OMP_LIST_USE_DEVICE
,
1246 OMP_LIST_IS_DEVICE_PTR
,
1247 OMP_LIST_USE_DEVICE_PTR
,
1251 /* Because a symbol can belong to multiple namelists, they must be
1252 linked externally to the symbol itself. */
1254 enum gfc_omp_sched_kind
1264 enum gfc_omp_default_sharing
1266 OMP_DEFAULT_UNKNOWN
,
1268 OMP_DEFAULT_PRIVATE
,
1270 OMP_DEFAULT_FIRSTPRIVATE
,
1274 enum gfc_omp_proc_bind_kind
1276 OMP_PROC_BIND_UNKNOWN
,
1277 OMP_PROC_BIND_MASTER
,
1278 OMP_PROC_BIND_SPREAD
,
1282 enum gfc_omp_cancel_kind
1285 OMP_CANCEL_PARALLEL
,
1286 OMP_CANCEL_SECTIONS
,
1288 OMP_CANCEL_TASKGROUP
1291 enum gfc_omp_if_kind
1298 OMP_IF_TARGET_UPDATE
,
1299 OMP_IF_TARGET_ENTER_DATA
,
1300 OMP_IF_TARGET_EXIT_DATA
,
1304 typedef struct gfc_omp_clauses
1306 struct gfc_expr
*if_expr
;
1307 struct gfc_expr
*final_expr
;
1308 struct gfc_expr
*num_threads
;
1309 gfc_omp_namelist
*lists
[OMP_LIST_NUM
];
1310 enum gfc_omp_sched_kind sched_kind
;
1311 struct gfc_expr
*chunk_size
;
1312 enum gfc_omp_default_sharing default_sharing
;
1313 int collapse
, orderedc
;
1314 bool nowait
, ordered
, untied
, mergeable
;
1315 bool inbranch
, notinbranch
, defaultmap
, nogroup
;
1316 bool sched_simd
, sched_monotonic
, sched_nonmonotonic
;
1317 bool simd
, threads
, depend_source
;
1318 enum gfc_omp_cancel_kind cancel
;
1319 enum gfc_omp_proc_bind_kind proc_bind
;
1320 struct gfc_expr
*safelen_expr
;
1321 struct gfc_expr
*simdlen_expr
;
1322 struct gfc_expr
*num_teams
;
1323 struct gfc_expr
*device
;
1324 struct gfc_expr
*thread_limit
;
1325 struct gfc_expr
*grainsize
;
1326 struct gfc_expr
*hint
;
1327 struct gfc_expr
*num_tasks
;
1328 struct gfc_expr
*priority
;
1329 struct gfc_expr
*if_exprs
[OMP_IF_LAST
];
1330 enum gfc_omp_sched_kind dist_sched_kind
;
1331 struct gfc_expr
*dist_chunk_size
;
1332 const char *critical_name
;
1335 struct gfc_expr
*async_expr
;
1336 struct gfc_expr
*gang_static_expr
;
1337 struct gfc_expr
*gang_num_expr
;
1338 struct gfc_expr
*worker_expr
;
1339 struct gfc_expr
*vector_expr
;
1340 struct gfc_expr
*num_gangs_expr
;
1341 struct gfc_expr
*num_workers_expr
;
1342 struct gfc_expr
*vector_length_expr
;
1343 gfc_expr_list
*wait_list
;
1344 gfc_expr_list
*tile_list
;
1345 unsigned async
:1, gang
:1, worker
:1, vector
:1, seq
:1, independent
:1;
1346 unsigned wait
:1, par_auto
:1, gang_static
:1;
1347 unsigned if_present
:1, finalize
:1;
1353 #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses)
1356 /* Node in the linked list used for storing !$oacc declare constructs. */
1358 typedef struct gfc_oacc_declare
1360 struct gfc_oacc_declare
*next
;
1362 gfc_omp_clauses
*clauses
;
1367 #define gfc_get_oacc_declare() XCNEW (gfc_oacc_declare)
1370 /* Node in the linked list used for storing !$omp declare simd constructs. */
1372 typedef struct gfc_omp_declare_simd
1374 struct gfc_omp_declare_simd
*next
;
1375 locus where
; /* Where the !$omp declare simd construct occurred. */
1377 gfc_symbol
*proc_name
;
1379 gfc_omp_clauses
*clauses
;
1381 gfc_omp_declare_simd
;
1382 #define gfc_get_omp_declare_simd() XCNEW (gfc_omp_declare_simd)
1384 typedef struct gfc_omp_udr
1386 struct gfc_omp_udr
*next
;
1387 locus where
; /* Where the !$omp declare reduction construct occurred. */
1391 gfc_omp_reduction_op rop
;
1393 struct gfc_symbol
*omp_out
;
1394 struct gfc_symbol
*omp_in
;
1395 struct gfc_namespace
*combiner_ns
;
1397 struct gfc_symbol
*omp_priv
;
1398 struct gfc_symbol
*omp_orig
;
1399 struct gfc_namespace
*initializer_ns
;
1402 #define gfc_get_omp_udr() XCNEW (gfc_omp_udr)
1404 typedef struct gfc_omp_namelist_udr
1406 struct gfc_omp_udr
*udr
;
1407 struct gfc_code
*combiner
;
1408 struct gfc_code
*initializer
;
1410 gfc_omp_namelist_udr
;
1411 #define gfc_get_omp_namelist_udr() XCNEW (gfc_omp_namelist_udr)
1413 /* The gfc_st_label structure is a BBT attached to a namespace that
1414 records the usage of statement labels within that space. */
1416 typedef struct gfc_st_label
1418 BBT_HEADER(gfc_st_label
);
1422 gfc_sl_type defined
, referenced
;
1424 struct gfc_expr
*format
;
1435 /* gfc_interface()-- Interfaces are lists of symbols strung together. */
1436 typedef struct gfc_interface
1438 struct gfc_symbol
*sym
;
1440 struct gfc_interface
*next
;
1444 #define gfc_get_interface() XCNEW (gfc_interface)
1446 /* User operator nodes. These are like stripped down symbols. */
1452 struct gfc_namespace
*ns
;
1458 /* A list of specific bindings that are associated with a generic spec. */
1459 typedef struct gfc_tbp_generic
1461 /* The parser sets specific_st, upon resolution we look for the corresponding
1462 gfc_typebound_proc and set specific for further use. */
1463 struct gfc_symtree
* specific_st
;
1464 struct gfc_typebound_proc
* specific
;
1466 struct gfc_tbp_generic
* next
;
1471 #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic)
1474 /* Data needed for type-bound procedures. */
1475 typedef struct gfc_typebound_proc
1477 locus where
; /* Where the PROCEDURE/GENERIC definition was. */
1481 struct gfc_symtree
* specific
; /* The interface if DEFERRED. */
1482 gfc_tbp_generic
* generic
;
1487 const char* pass_arg
; /* Argument-name for PASS. NULL if not specified. */
1489 /* The overridden type-bound proc (or GENERIC with this name in the
1490 parent-type) or NULL if non. */
1491 struct gfc_typebound_proc
* overridden
;
1493 /* Once resolved, we use the position of pass_arg in the formal arglist of
1494 the binding-target procedure to identify it. The first argument has
1495 number 1 here, the second 2, and so on. */
1496 unsigned pass_arg_num
;
1498 unsigned nopass
:1; /* Whether we have NOPASS (PASS otherwise). */
1499 unsigned non_overridable
:1;
1500 unsigned deferred
:1;
1501 unsigned is_generic
:1;
1502 unsigned function
:1, subroutine
:1;
1503 unsigned error
:1; /* Ignore it, when an error occurred during resolution. */
1509 /* Symbol nodes. These are important things. They are what the
1510 standard refers to as "entities". The possibly multiple names that
1511 refer to the same entity are accomplished by a binary tree of
1512 symtree structures that is balanced by the red-black method-- more
1513 than one symtree node can point to any given symbol. */
1515 typedef struct gfc_symbol
1517 const char *name
; /* Primary name, before renaming */
1518 const char *module
; /* Module this symbol came from */
1522 symbol_attribute attr
;
1524 /* The formal member points to the formal argument list if the
1525 symbol is a function or subroutine name. If the symbol is a
1526 generic name, the generic member points to the list of
1529 gfc_interface
*generic
;
1530 gfc_access component_access
;
1532 gfc_formal_arglist
*formal
;
1533 struct gfc_namespace
*formal_ns
;
1534 struct gfc_namespace
*f2k_derived
;
1536 /* List of PDT parameter expressions */
1537 struct gfc_actual_arglist
*param_list
;
1539 struct gfc_expr
*value
; /* Parameter/Initializer value */
1541 struct gfc_symbol
*result
; /* function result symbol */
1542 gfc_component
*components
; /* Derived type components */
1544 /* Defined only for Cray pointees; points to their pointer. */
1545 struct gfc_symbol
*cp_pointer
;
1547 int entry_id
; /* Used in resolve.c for entries. */
1549 /* CLASS hashed name for declared and dynamic types in the class. */
1552 struct gfc_symbol
*common_next
; /* Links for COMMON syms */
1554 /* This is only used for pointer comparisons to check if symbols
1555 are in the same common block.
1556 In opposition to common_block, the common_head pointer takes into account
1557 equivalences: if A is in a common block C and A and B are in equivalence,
1558 then both A and B have common_head pointing to C, while A's common_block
1559 points to C and B's is NULL. */
1560 struct gfc_common_head
* common_head
;
1562 /* Make sure setup code for dummy arguments is generated in the correct
1566 gfc_namelist
*namelist
, *namelist_tail
;
1568 /* Change management fields. Symbols that might be modified by the
1569 current statement have the mark member nonzero. Of these symbols,
1570 symbols with old_symbol equal to NULL are symbols created within
1571 the current statement. Otherwise, old_symbol points to a copy of
1572 the old symbol. gfc_new is used in symbol.c to flag new symbols. */
1573 struct gfc_symbol
*old_symbol
;
1574 unsigned mark
:1, gfc_new
:1;
1576 /* The tlink field is used in the front end to carry the module
1577 declaration of separate module procedures so that the characteristics
1578 can be compared with the corresponding declaration in a submodule. In
1579 translation this field carries a linked list of symbols that require
1580 deferred initialization. */
1581 struct gfc_symbol
*tlink
;
1583 /* Nonzero if all equivalences associated with this symbol have been
1585 unsigned equiv_built
:1;
1586 /* Set if this variable is used as an index name in a FORALL. */
1587 unsigned forall_index
:1;
1588 /* Set if the symbol is used in a function result specification . */
1589 unsigned fn_result_spec
:1;
1590 /* Used to avoid multiple resolutions of a single symbol. */
1591 unsigned resolved
:1;
1592 /* Set if this is a module function or subroutine with the
1593 abreviated declaration in a submodule. */
1594 unsigned abr_modproc_decl
:1;
1597 struct gfc_namespace
*ns
; /* namespace containing this symbol */
1601 /* Identity of the intrinsic module the symbol comes from, or
1602 INTMOD_NONE if it's not imported from a intrinsic module. */
1603 intmod_id from_intmod
;
1604 /* Identity of the symbol from intrinsic modules, from enums maintained
1605 separately by each intrinsic module. Used together with from_intmod,
1606 it uniquely identifies a symbol from an intrinsic module. */
1609 /* This may be repetitive, since the typespec now has a binding
1611 const char* binding_label
;
1612 /* Store a reference to the common_block, if this symbol is in one. */
1613 struct gfc_common_head
*common_block
;
1615 /* Link to corresponding association-list if this is an associate name. */
1616 struct gfc_association_list
*assoc
;
1618 /* Link to next entry in derived type list */
1619 struct gfc_symbol
*dt_next
;
1624 struct gfc_undo_change_set
1626 vec
<gfc_symbol
*> syms
;
1627 vec
<gfc_typebound_proc
*> tbps
;
1628 gfc_undo_change_set
*previous
;
1632 /* This structure is used to keep track of symbols in common blocks. */
1633 typedef struct gfc_common_head
1636 char use_assoc
, saved
, threadprivate
;
1637 unsigned char omp_declare_target
: 1;
1638 unsigned char omp_declare_target_link
: 1;
1639 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1640 struct gfc_symbol
*head
;
1641 const char* binding_label
;
1647 #define gfc_get_common_head() XCNEW (gfc_common_head)
1650 /* A list of all the alternate entry points for a procedure. */
1652 typedef struct gfc_entry_list
1654 /* The symbol for this entry point. */
1656 /* The zero-based id of this entry point. */
1658 /* The LABEL_EXPR marking this entry point. */
1660 /* The next item in the list. */
1661 struct gfc_entry_list
*next
;
1665 #define gfc_get_entry_list() XCNEW (gfc_entry_list)
1667 /* Lists of rename info for the USE statement. */
1669 typedef struct gfc_use_rename
1671 char local_name
[GFC_MAX_SYMBOL_LEN
+ 1], use_name
[GFC_MAX_SYMBOL_LEN
+ 1];
1672 struct gfc_use_rename
*next
;
1674 gfc_intrinsic_op op
;
1679 #define gfc_get_use_rename() XCNEW (gfc_use_rename);
1681 /* A list of all USE statements in a namespace. */
1683 typedef struct gfc_use_list
1685 const char *module_name
;
1686 const char *submodule_name
;
1690 struct gfc_use_rename
*rename
;
1692 /* Next USE statement. */
1693 struct gfc_use_list
*next
;
1697 #define gfc_get_use_list() XCNEW (gfc_use_list)
1699 /* Within a namespace, symbols are pointed to by symtree nodes that
1700 are linked together in a balanced binary tree. There can be
1701 several symtrees pointing to the same symbol node via USE
1704 typedef struct gfc_symtree
1706 BBT_HEADER (gfc_symtree
);
1711 gfc_symbol
*sym
; /* Symbol associated with this node */
1713 gfc_common_head
*common
;
1714 gfc_typebound_proc
*tb
;
1715 gfc_omp_udr
*omp_udr
;
1721 /* A list of all derived types. */
1722 extern gfc_symbol
*gfc_derived_types
;
1724 typedef struct gfc_oacc_routine_name
1726 struct gfc_symbol
*sym
;
1727 struct gfc_omp_clauses
*clauses
;
1728 struct gfc_oacc_routine_name
*next
;
1730 gfc_oacc_routine_name
;
1732 #define gfc_get_oacc_routine_name() XCNEW (gfc_oacc_routine_name)
1734 /* A namespace describes the contents of procedure, module, interface block
1735 or BLOCK construct. */
1736 /* ??? Anything else use these? */
1738 typedef struct gfc_namespace
1740 /* Tree containing all the symbols in this namespace. */
1741 gfc_symtree
*sym_root
;
1742 /* Tree containing all the user-defined operators in the namespace. */
1743 gfc_symtree
*uop_root
;
1744 /* Tree containing all the common blocks. */
1745 gfc_symtree
*common_root
;
1746 /* Tree containing all the OpenMP user defined reductions. */
1747 gfc_symtree
*omp_udr_root
;
1749 /* Tree containing type-bound procedures. */
1750 gfc_symtree
*tb_sym_root
;
1751 /* Type-bound user operators. */
1752 gfc_symtree
*tb_uop_root
;
1753 /* For derived-types, store type-bound intrinsic operators here. */
1754 gfc_typebound_proc
*tb_op
[GFC_INTRINSIC_OPS
];
1755 /* Linked list of finalizer procedures. */
1756 struct gfc_finalizer
*finalizers
;
1758 /* If set_flag[letter] is set, an implicit type has been set for letter. */
1759 int set_flag
[GFC_LETTERS
];
1760 /* Keeps track of the implicit types associated with the letters. */
1761 gfc_typespec default_type
[GFC_LETTERS
];
1762 /* Store the positions of IMPLICIT statements. */
1763 locus implicit_loc
[GFC_LETTERS
];
1765 /* If this is a namespace of a procedure, this points to the procedure. */
1766 struct gfc_symbol
*proc_name
;
1767 /* If this is the namespace of a unit which contains executable
1768 code, this points to it. */
1769 struct gfc_code
*code
;
1771 /* Points to the equivalences set up in this namespace. */
1772 struct gfc_equiv
*equiv
, *old_equiv
;
1774 /* Points to the equivalence groups produced by trans_common. */
1775 struct gfc_equiv_list
*equiv_lists
;
1777 gfc_interface
*op
[GFC_INTRINSIC_OPS
];
1779 /* Points to the parent namespace, i.e. the namespace of a module or
1780 procedure in which the procedure belonging to this namespace is
1781 contained. The parent namespace points to this namespace either
1782 directly via CONTAINED, or indirectly via the chain built by
1784 struct gfc_namespace
*parent
;
1785 /* CONTAINED points to the first contained namespace. Sibling
1786 namespaces are chained via SIBLING. */
1787 struct gfc_namespace
*contained
, *sibling
;
1789 gfc_common_head blank_common
;
1790 gfc_access default_access
, operator_access
[GFC_INTRINSIC_OPS
];
1792 gfc_st_label
*st_labels
;
1793 /* This list holds information about all the data initializers in
1795 struct gfc_data
*data
, *old_data
;
1797 /* !$ACC DECLARE. */
1798 gfc_oacc_declare
*oacc_declare
;
1800 /* !$ACC ROUTINE clauses. */
1801 gfc_omp_clauses
*oacc_routine_clauses
;
1803 /* !$ACC ROUTINE names. */
1804 gfc_oacc_routine_name
*oacc_routine_names
;
1806 gfc_charlen
*cl_list
;
1808 gfc_symbol
*derived_types
;
1810 int save_all
, seen_save
, seen_implicit_none
;
1812 /* Normally we don't need to refcount namespaces. However when we read
1813 a module containing a function with multiple entry points, this
1814 will appear as several functions with the same formal namespace. */
1817 /* A list of all alternate entry points to this procedure (or NULL). */
1818 gfc_entry_list
*entries
;
1820 /* A list of USE statements in this namespace. */
1821 gfc_use_list
*use_stmts
;
1823 /* Linked list of !$omp declare simd constructs. */
1824 struct gfc_omp_declare_simd
*omp_declare_simd
;
1826 /* Set to 1 if namespace is a BLOCK DATA program unit. */
1827 unsigned is_block_data
:1;
1829 /* Set to 1 if namespace is an interface body with "IMPORT" used. */
1830 unsigned has_import_set
:1;
1832 /* Set to 1 if the namespace uses "IMPLICT NONE (export)". */
1833 unsigned has_implicit_none_export
:1;
1835 /* Set to 1 if resolved has been called for this namespace.
1836 Holds -1 during resolution. */
1839 /* Set when resolve_types has been called for this namespace. */
1840 unsigned types_resolved
:1;
1842 /* Set to 1 if code has been generated for this namespace. */
1843 unsigned translated
:1;
1845 /* Set to 1 if symbols in this namespace should be 'construct entities',
1846 i.e. for BLOCK local variables. */
1847 unsigned construct_entities
:1;
1849 /* Set to 1 for !$OMP DECLARE REDUCTION namespaces. */
1850 unsigned omp_udr_ns
:1;
1852 /* Set to 1 for !$ACC ROUTINE namespaces. */
1853 unsigned oacc_routine
:1;
1857 extern gfc_namespace
*gfc_current_ns
;
1858 extern gfc_namespace
*gfc_global_ns_list
;
1860 /* Global symbols are symbols of global scope. Currently we only use
1861 this to detect collisions already when parsing.
1862 TODO: Extend to verify procedure calls. */
1864 enum gfc_symbol_type
1866 GSYM_UNKNOWN
=1, GSYM_PROGRAM
, GSYM_FUNCTION
, GSYM_SUBROUTINE
,
1867 GSYM_MODULE
, GSYM_COMMON
, GSYM_BLOCK_DATA
1870 typedef struct gfc_gsymbol
1872 BBT_HEADER(gfc_gsymbol
);
1875 const char *sym_name
;
1876 const char *mod_name
;
1877 const char *binding_label
;
1878 enum gfc_symbol_type type
;
1886 extern gfc_gsymbol
*gfc_gsym_root
;
1888 /* Information on interfaces being built. */
1891 interface_type type
;
1895 gfc_intrinsic_op op
;
1899 extern gfc_interface_info current_interface
;
1902 /* Array reference. */
1904 enum gfc_array_ref_dimen_type
1906 DIMEN_ELEMENT
= 1, DIMEN_RANGE
, DIMEN_VECTOR
, DIMEN_STAR
, DIMEN_THIS_IMAGE
, DIMEN_UNKNOWN
1909 typedef struct gfc_array_ref
1912 int dimen
; /* # of components in the reference */
1914 bool in_allocate
; /* For coarray checks. */
1920 locus c_where
[GFC_MAX_DIMENSIONS
]; /* All expressions can be NULL */
1921 struct gfc_expr
*start
[GFC_MAX_DIMENSIONS
], *end
[GFC_MAX_DIMENSIONS
],
1922 *stride
[GFC_MAX_DIMENSIONS
];
1924 enum gfc_array_ref_dimen_type dimen_type
[GFC_MAX_DIMENSIONS
];
1928 #define gfc_get_array_ref() XCNEW (gfc_array_ref)
1931 /* Component reference nodes. A variable is stored as an expression
1932 node that points to the base symbol. After that, a singly linked
1933 list of component reference nodes gives the variable's complete
1934 resolution. The array_ref component may be present and comes
1935 before the component component. */
1938 { REF_ARRAY
, REF_COMPONENT
, REF_SUBSTRING
};
1940 typedef struct gfc_ref
1946 struct gfc_array_ref ar
;
1950 gfc_component
*component
;
1957 struct gfc_expr
*start
, *end
; /* Substring */
1958 gfc_charlen
*length
;
1965 struct gfc_ref
*next
;
1969 #define gfc_get_ref() XCNEW (gfc_ref)
1972 /* Structures representing intrinsic symbols and their arguments lists. */
1973 typedef struct gfc_intrinsic_arg
1975 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
1978 unsigned optional
:1, value
:1;
1979 ENUM_BITFIELD (sym_intent
) intent
:2;
1980 gfc_actual_arglist
*actual
;
1982 struct gfc_intrinsic_arg
*next
;
1988 /* Specifies the various kinds of check functions used to verify the
1989 argument lists of intrinsic functions. fX with X an integer refer
1990 to check functions of intrinsics with X arguments. f1m is used for
1991 the MAX and MIN intrinsics which can have an arbitrary number of
1992 arguments, f4ml is used for the MINLOC and MAXLOC intrinsics as
1993 these have special semantics. */
1998 bool (*f1
)(struct gfc_expr
*);
1999 bool (*f1m
)(gfc_actual_arglist
*);
2000 bool (*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2001 bool (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2002 bool (*f5ml
)(gfc_actual_arglist
*);
2003 bool (*f3red
)(gfc_actual_arglist
*);
2004 bool (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2006 bool (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2007 struct gfc_expr
*, struct gfc_expr
*);
2011 /* Like gfc_check_f, these specify the type of the simplification
2012 function associated with an intrinsic. The fX are just like in
2013 gfc_check_f. cc is used for type conversion functions. */
2017 struct gfc_expr
*(*f0
)(void);
2018 struct gfc_expr
*(*f1
)(struct gfc_expr
*);
2019 struct gfc_expr
*(*f2
)(struct gfc_expr
*, struct gfc_expr
*);
2020 struct gfc_expr
*(*f3
)(struct gfc_expr
*, struct gfc_expr
*,
2022 struct gfc_expr
*(*f4
)(struct gfc_expr
*, struct gfc_expr
*,
2023 struct gfc_expr
*, struct gfc_expr
*);
2024 struct gfc_expr
*(*f5
)(struct gfc_expr
*, struct gfc_expr
*,
2025 struct gfc_expr
*, struct gfc_expr
*,
2027 struct gfc_expr
*(*cc
)(struct gfc_expr
*, bt
, int);
2031 /* Again like gfc_check_f, these specify the type of the resolution
2032 function associated with an intrinsic. The fX are just like in
2033 gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */
2037 void (*f0
)(struct gfc_expr
*);
2038 void (*f1
)(struct gfc_expr
*, struct gfc_expr
*);
2039 void (*f1m
)(struct gfc_expr
*, struct gfc_actual_arglist
*);
2040 void (*f2
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2041 void (*f3
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2043 void (*f4
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2044 struct gfc_expr
*, struct gfc_expr
*);
2045 void (*f5
)(struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*,
2046 struct gfc_expr
*, struct gfc_expr
*, struct gfc_expr
*);
2047 void (*s1
)(struct gfc_code
*);
2052 typedef struct gfc_intrinsic_sym
2054 const char *name
, *lib_name
;
2055 gfc_intrinsic_arg
*formal
;
2057 unsigned elemental
:1, inquiry
:1, transformational
:1, pure
:1,
2058 generic
:1, specific
:1, actual_ok
:1, noreturn
:1, conversion
:1,
2059 from_module
:1, vararg
:1;
2063 gfc_simplify_f simplify
;
2065 gfc_resolve_f resolve
;
2066 struct gfc_intrinsic_sym
*specific_head
, *next
;
2073 /* Expression nodes. The expression node types deserve explanations,
2074 since the last couple can be easily misconstrued:
2076 EXPR_OP Operator node pointing to one or two other nodes
2077 EXPR_FUNCTION Function call, symbol points to function's name
2078 EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex
2079 EXPR_VARIABLE An Lvalue with a root symbol and possible reference list
2080 which expresses structure, array and substring refs.
2081 EXPR_NULL The NULL pointer value (which also has a basic type).
2082 EXPR_SUBSTRING A substring of a constant string
2083 EXPR_STRUCTURE A structure constructor
2084 EXPR_ARRAY An array constructor.
2085 EXPR_COMPCALL Function (or subroutine) call of a procedure pointer
2086 component or type-bound procedure. */
2090 #define GFC_RND_MODE GMP_RNDN
2091 #define GFC_MPC_RND_MODE MPC_RNDNN
2093 typedef splay_tree gfc_constructor_base
;
2096 /* This should be an unsigned variable of type size_t. But to handle
2097 compiling to a 64-bit target from a 32-bit host, we need to use a
2098 HOST_WIDE_INT. Also, occasionally the string length field is used
2099 as a flag with values -1 and -2, see e.g. gfc_add_assign_aux_vars.
2100 So it needs to be signed. */
2101 typedef HOST_WIDE_INT gfc_charlen_t
;
2103 typedef struct gfc_expr
2107 gfc_typespec ts
; /* These two refer to the overall expression */
2109 int rank
; /* 0 indicates a scalar, -1 an assumed-rank array. */
2110 mpz_t
*shape
; /* Can be NULL if shape is unknown at compile time */
2112 /* Nonnull for functions and structure constructors, may also used to hold the
2113 base-object for component calls. */
2114 gfc_symtree
*symtree
;
2120 /* Used to store the base expression in component calls, when the expression
2121 is not a variable. */
2122 struct gfc_expr
*base_expr
;
2124 /* is_boz is true if the integer is regarded as BOZ bit pattern and is_snan
2125 denotes a signalling not-a-number. */
2126 unsigned int is_boz
: 1, is_snan
: 1;
2128 /* Sometimes, when an error has been emitted, it is necessary to prevent
2129 it from recurring. */
2130 unsigned int error
: 1;
2132 /* Mark an expression where a user operator has been substituted by
2133 a function call in interface.c(gfc_extend_expr). */
2134 unsigned int user_operator
: 1;
2136 /* Mark an expression as being a MOLD argument of ALLOCATE. */
2137 unsigned int mold
: 1;
2139 /* Will require finalization after use. */
2140 unsigned int must_finalize
: 1;
2142 /* Set this if no range check should be performed on this expression. */
2144 unsigned int no_bounds_check
: 1;
2146 /* If an expression comes from a Hollerith constant or compile-time
2147 evaluation of a transfer statement, it may have a prescribed target-
2148 memory representation, and these cannot always be backformed from
2152 gfc_charlen_t length
;
2171 gfc_intrinsic_op op
;
2173 struct gfc_expr
*op1
, *op2
;
2179 gfc_actual_arglist
*actual
;
2180 const char *name
; /* Points to the ultimate name of the function */
2181 gfc_intrinsic_sym
*isym
;
2188 gfc_actual_arglist
* actual
;
2190 /* Base-object, whose component was called. NULL means that it should
2191 be taken from symtree/ref. */
2192 struct gfc_expr
* base_object
;
2193 gfc_typebound_proc
* tbp
; /* Should overlap with esym. */
2195 /* For type-bound operators, we want to call PASS procedures but already
2196 have the full arglist; mark this, so that it is not extended by the
2198 unsigned ignore_pass
:1;
2200 /* Do assign-calls rather than calls, that is appropriate dependency
2208 gfc_charlen_t length
;
2213 gfc_constructor_base constructor
;
2217 /* Used to store PDT expression lists associated with expressions. */
2218 gfc_actual_arglist
*param_list
;
2224 #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank)))
2226 /* Structures for information associated with different kinds of
2227 numbers. The first set of integer parameters define all there is
2228 to know about a particular kind. The rest of the elements are
2229 computed from the first elements. */
2233 /* Values really representable by the target. */
2234 mpz_t huge
, pedantic_min_int
, min_int
;
2236 int kind
, radix
, digits
, bit_size
, range
;
2238 /* True if the C type of the given name maps to this precision.
2239 Note that more than one bit can be set. */
2240 unsigned int c_char
: 1;
2241 unsigned int c_short
: 1;
2242 unsigned int c_int
: 1;
2243 unsigned int c_long
: 1;
2244 unsigned int c_long_long
: 1;
2248 extern gfc_integer_info gfc_integer_kinds
[];
2255 /* True if the C++ type bool, C99 type _Bool, maps to this precision. */
2256 unsigned int c_bool
: 1;
2260 extern gfc_logical_info gfc_logical_kinds
[];
2265 mpfr_t epsilon
, huge
, tiny
, subnormal
;
2266 int kind
, radix
, digits
, min_exponent
, max_exponent
;
2267 int range
, precision
;
2269 /* The precision of the type as reported by GET_MODE_PRECISION. */
2272 /* True if the C type of the given name maps to this precision.
2273 Note that more than one bit can be set. */
2274 unsigned int c_float
: 1;
2275 unsigned int c_double
: 1;
2276 unsigned int c_long_double
: 1;
2277 unsigned int c_float128
: 1;
2281 extern gfc_real_info gfc_real_kinds
[];
2290 extern gfc_character_info gfc_character_kinds
[];
2293 /* Equivalence structures. Equivalent lvalues are linked along the
2294 *eq pointer, equivalence sets are strung along the *next node. */
2295 typedef struct gfc_equiv
2297 struct gfc_equiv
*next
, *eq
;
2304 #define gfc_get_equiv() XCNEW (gfc_equiv)
2306 /* Holds a single equivalence member after processing. */
2307 typedef struct gfc_equiv_info
2310 HOST_WIDE_INT offset
;
2311 HOST_WIDE_INT length
;
2312 struct gfc_equiv_info
*next
;
2315 /* Holds equivalence groups, after they have been processed. */
2316 typedef struct gfc_equiv_list
2318 gfc_equiv_info
*equiv
;
2319 struct gfc_equiv_list
*next
;
2322 /* gfc_case stores the selector list of a case statement. The *low
2323 and *high pointers can point to the same expression in the case of
2324 a single value. If *high is NULL, the selection is from *low
2325 upwards, if *low is NULL the selection is *high downwards.
2327 This structure has separate fields to allow single and double linked
2328 lists of CASEs at the same time. The singe linked list along the NEXT
2329 field is a list of cases for a single CASE label. The double linked
2330 list along the LEFT/RIGHT fields is used to detect overlap and to
2331 build a table of the cases for SELECT constructs with a CHARACTER
2334 typedef struct gfc_case
2336 /* Where we saw this case. */
2340 /* Case range values. If (low == high), it's a single value. If one of
2341 the labels is NULL, it's an unbounded case. If both are NULL, this
2342 represents the default case. */
2343 gfc_expr
*low
, *high
;
2345 /* Only used for SELECT TYPE. */
2348 /* Next case label in the list of cases for a single CASE label. */
2349 struct gfc_case
*next
;
2351 /* Used for detecting overlap, and for code generation. */
2352 struct gfc_case
*left
, *right
;
2354 /* True if this case label can never be matched. */
2359 #define gfc_get_case() XCNEW (gfc_case)
2364 gfc_expr
*var
, *start
, *end
, *step
;
2365 unsigned short unroll
;
2369 #define gfc_get_iterator() XCNEW (gfc_iterator)
2372 /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */
2374 typedef struct gfc_alloc
2377 struct gfc_alloc
*next
;
2381 #define gfc_get_alloc() XCNEW (gfc_alloc)
2386 gfc_expr
*unit
, *file
, *status
, *access
, *form
, *recl
,
2387 *blank
, *position
, *action
, *delim
, *pad
, *iostat
, *iomsg
, *convert
,
2388 *decimal
, *encoding
, *round
, *sign
, *asynchronous
, *id
, *newunit
,
2398 gfc_expr
*unit
, *status
, *iostat
, *iomsg
;
2406 gfc_expr
*unit
, *iostat
, *iomsg
;
2414 gfc_expr
*unit
, *file
, *iostat
, *exist
, *opened
, *number
, *named
,
2415 *name
, *access
, *sequential
, *direct
, *form
, *formatted
,
2416 *unformatted
, *recl
, *nextrec
, *blank
, *position
, *action
, *read
,
2417 *write
, *readwrite
, *delim
, *pad
, *iolength
, *iomsg
, *convert
, *strm_pos
,
2418 *asynchronous
, *decimal
, *encoding
, *pending
, *round
, *sign
, *size
, *id
,
2419 *iqstream
, *share
, *cc
;
2429 gfc_expr
*unit
, *iostat
, *iomsg
, *id
;
2430 gfc_st_label
*err
, *end
, *eor
;
2437 gfc_expr
*io_unit
, *format_expr
, *rec
, *advance
, *iostat
, *size
, *iomsg
,
2438 *id
, *pos
, *asynchronous
, *blank
, *decimal
, *delim
, *pad
, *round
,
2439 *sign
, *extra_comma
, *dt_io_kind
, *udtio
;
2442 gfc_symbol
*namelist
;
2443 /* A format_label of `format_asterisk' indicates the "*" format */
2444 gfc_st_label
*format_label
;
2445 gfc_st_label
*err
, *end
, *eor
;
2447 locus eor_where
, end_where
, err_where
;
2452 typedef struct gfc_forall_iterator
2454 gfc_expr
*var
, *start
, *end
, *stride
;
2455 struct gfc_forall_iterator
*next
;
2457 gfc_forall_iterator
;
2460 /* Linked list to store associations in an ASSOCIATE statement. */
2462 typedef struct gfc_association_list
2464 struct gfc_association_list
*next
;
2466 /* Whether this is association to a variable that can be changed; otherwise,
2467 it's association to an expression and the name may not be used as
2469 unsigned variable
:1;
2471 /* True if this struct is currently only linked to from a gfc_symbol rather
2472 than as part of a real list in gfc_code->ext.block.assoc. This may
2473 happen for SELECT TYPE temporaries and must be considered
2474 for memory handling. */
2475 unsigned dangling
:1;
2477 /* True when the rank of the target expression is guessed during parsing. */
2478 unsigned rankguessed
:1;
2480 char name
[GFC_MAX_SYMBOL_LEN
+ 1];
2481 gfc_symtree
*st
; /* Symtree corresponding to name. */
2486 gfc_association_list
;
2487 #define gfc_get_association_list() XCNEW (gfc_association_list)
2490 /* Executable statements that fill gfc_code structures. */
2493 EXEC_NOP
= 1, EXEC_END_NESTED_BLOCK
, EXEC_END_BLOCK
, EXEC_ASSIGN
,
2494 EXEC_LABEL_ASSIGN
, EXEC_POINTER_ASSIGN
, EXEC_CRITICAL
, EXEC_ERROR_STOP
,
2495 EXEC_GOTO
, EXEC_CALL
, EXEC_COMPCALL
, EXEC_ASSIGN_CALL
, EXEC_RETURN
,
2496 EXEC_ENTRY
, EXEC_PAUSE
, EXEC_STOP
, EXEC_CONTINUE
, EXEC_INIT_ASSIGN
,
2497 EXEC_IF
, EXEC_ARITHMETIC_IF
, EXEC_DO
, EXEC_DO_CONCURRENT
, EXEC_DO_WHILE
,
2498 EXEC_SELECT
, EXEC_BLOCK
, EXEC_FORALL
, EXEC_WHERE
, EXEC_CYCLE
, EXEC_EXIT
,
2499 EXEC_CALL_PPC
, EXEC_ALLOCATE
, EXEC_DEALLOCATE
, EXEC_END_PROCEDURE
,
2500 EXEC_SELECT_TYPE
, EXEC_SYNC_ALL
, EXEC_SYNC_MEMORY
, EXEC_SYNC_IMAGES
,
2501 EXEC_OPEN
, EXEC_CLOSE
, EXEC_WAIT
,
2502 EXEC_READ
, EXEC_WRITE
, EXEC_IOLENGTH
, EXEC_TRANSFER
, EXEC_DT_END
,
2503 EXEC_BACKSPACE
, EXEC_ENDFILE
, EXEC_INQUIRE
, EXEC_REWIND
, EXEC_FLUSH
,
2504 EXEC_FORM_TEAM
, EXEC_CHANGE_TEAM
, EXEC_END_TEAM
, EXEC_SYNC_TEAM
,
2505 EXEC_LOCK
, EXEC_UNLOCK
, EXEC_EVENT_POST
, EXEC_EVENT_WAIT
, EXEC_FAIL_IMAGE
,
2506 EXEC_OACC_KERNELS_LOOP
, EXEC_OACC_PARALLEL_LOOP
, EXEC_OACC_ROUTINE
,
2507 EXEC_OACC_PARALLEL
, EXEC_OACC_KERNELS
, EXEC_OACC_DATA
, EXEC_OACC_HOST_DATA
,
2508 EXEC_OACC_LOOP
, EXEC_OACC_UPDATE
, EXEC_OACC_WAIT
, EXEC_OACC_CACHE
,
2509 EXEC_OACC_ENTER_DATA
, EXEC_OACC_EXIT_DATA
, EXEC_OACC_ATOMIC
,
2511 EXEC_OMP_CRITICAL
, EXEC_OMP_DO
, EXEC_OMP_FLUSH
, EXEC_OMP_MASTER
,
2512 EXEC_OMP_ORDERED
, EXEC_OMP_PARALLEL
, EXEC_OMP_PARALLEL_DO
,
2513 EXEC_OMP_PARALLEL_SECTIONS
, EXEC_OMP_PARALLEL_WORKSHARE
,
2514 EXEC_OMP_SECTIONS
, EXEC_OMP_SINGLE
, EXEC_OMP_WORKSHARE
,
2515 EXEC_OMP_ATOMIC
, EXEC_OMP_BARRIER
, EXEC_OMP_END_NOWAIT
,
2516 EXEC_OMP_END_SINGLE
, EXEC_OMP_TASK
, EXEC_OMP_TASKWAIT
,
2517 EXEC_OMP_TASKYIELD
, EXEC_OMP_CANCEL
, EXEC_OMP_CANCELLATION_POINT
,
2518 EXEC_OMP_TASKGROUP
, EXEC_OMP_SIMD
, EXEC_OMP_DO_SIMD
,
2519 EXEC_OMP_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET
, EXEC_OMP_TARGET_DATA
,
2520 EXEC_OMP_TEAMS
, EXEC_OMP_DISTRIBUTE
, EXEC_OMP_DISTRIBUTE_SIMD
,
2521 EXEC_OMP_DISTRIBUTE_PARALLEL_DO
, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD
,
2522 EXEC_OMP_TARGET_TEAMS
, EXEC_OMP_TEAMS_DISTRIBUTE
,
2523 EXEC_OMP_TEAMS_DISTRIBUTE_SIMD
, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE
,
2524 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD
,
2525 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2526 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO
,
2527 EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2528 EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD
,
2529 EXEC_OMP_TARGET_UPDATE
, EXEC_OMP_END_CRITICAL
,
2530 EXEC_OMP_TARGET_ENTER_DATA
, EXEC_OMP_TARGET_EXIT_DATA
,
2531 EXEC_OMP_TARGET_PARALLEL
, EXEC_OMP_TARGET_PARALLEL_DO
,
2532 EXEC_OMP_TARGET_PARALLEL_DO_SIMD
, EXEC_OMP_TARGET_SIMD
,
2533 EXEC_OMP_TASKLOOP
, EXEC_OMP_TASKLOOP_SIMD
2536 enum gfc_omp_atomic_op
2538 GFC_OMP_ATOMIC_UPDATE
= 0,
2539 GFC_OMP_ATOMIC_READ
= 1,
2540 GFC_OMP_ATOMIC_WRITE
= 2,
2541 GFC_OMP_ATOMIC_CAPTURE
= 3,
2542 GFC_OMP_ATOMIC_MASK
= 3,
2543 GFC_OMP_ATOMIC_SEQ_CST
= 4,
2544 GFC_OMP_ATOMIC_SWAP
= 8
2547 typedef struct gfc_code
2551 struct gfc_code
*block
, *next
;
2554 gfc_st_label
*here
, *label1
, *label2
, *label3
;
2555 gfc_symtree
*symtree
;
2556 gfc_expr
*expr1
, *expr2
, *expr3
, *expr4
;
2557 /* A name isn't sufficient to identify a subroutine, we need the actual
2558 symbol for the interface definition.
2559 const char *sub_name; */
2560 gfc_symbol
*resolved_sym
;
2561 gfc_intrinsic_sym
*resolved_isym
;
2565 gfc_actual_arglist
*actual
;
2566 gfc_iterator
*iterator
;
2572 /* Take the array specification from expr3 to allocate arrays
2573 without an explicit array specification. */
2574 unsigned arr_spec_from_expr3
:1;
2581 gfc_association_list
*assoc
;
2582 gfc_case
*case_list
;
2588 gfc_filepos
*filepos
;
2589 gfc_inquire
*inquire
;
2592 gfc_forall_iterator
*forall_iterator
;
2593 struct gfc_code
*which_construct
;
2595 gfc_entry_list
*entry
;
2596 gfc_oacc_declare
*oacc_declare
;
2597 gfc_omp_clauses
*omp_clauses
;
2598 const char *omp_name
;
2599 gfc_omp_namelist
*omp_namelist
;
2601 gfc_omp_atomic_op omp_atomic
;
2603 ext
; /* Points to additional structures required by statement */
2605 /* Cycle and break labels in constructs. */
2612 /* Storage for DATA statements. */
2613 typedef struct gfc_data_variable
2617 struct gfc_data_variable
*list
, *next
;
2622 typedef struct gfc_data_value
2626 struct gfc_data_value
*next
;
2631 typedef struct gfc_data
2633 gfc_data_variable
*var
;
2634 gfc_data_value
*value
;
2637 struct gfc_data
*next
;
2642 /* Structure for holding compile options */
2646 gfc_source_form source_form
;
2647 int max_continue_fixed
;
2648 int max_continue_free
;
2649 int max_identifier_length
;
2653 int flag_preprocessed
;
2655 int flag_init_integer
;
2656 int flag_init_integer_value
;
2657 int flag_init_logical
;
2658 int flag_init_character
;
2659 char flag_init_character_value
;
2670 extern gfc_option_t gfc_option
;
2672 /* Constructor nodes for array and structure constructors. */
2673 typedef struct gfc_constructor
2675 gfc_constructor_base base
;
2676 mpz_t offset
; /* Offset within a constructor, used as
2680 gfc_iterator
*iterator
;
2685 gfc_component
*component
; /* Record the component being initialized. */
2688 mpz_t repeat
; /* Record the repeat number of initial values in data
2689 statement like "data a/5*10/". */
2694 typedef struct iterator_stack
2696 gfc_symtree
*variable
;
2698 struct iterator_stack
*prev
;
2701 extern iterator_stack
*iter_stack
;
2704 /* Used for (possibly nested) SELECT TYPE statements. */
2705 typedef struct gfc_select_type_stack
2707 gfc_symbol
*selector
; /* Current selector variable. */
2708 gfc_symtree
*tmp
; /* Current temporary variable. */
2709 struct gfc_select_type_stack
*prev
; /* Previous element on stack. */
2711 gfc_select_type_stack
;
2712 extern gfc_select_type_stack
*select_type_stack
;
2713 #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack)
2716 /* Node in the linked list used for storing finalizer procedures. */
2718 typedef struct gfc_finalizer
2720 struct gfc_finalizer
* next
;
2721 locus where
; /* Where the FINAL declaration occurred. */
2723 /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding
2724 symtree and later need only that. This way, we can access and call the
2725 finalizers from every context as they should be "always accessible". I
2726 don't make this a union because we need the information whether proc_sym is
2727 still referenced or not for dereferencing it on deleting a gfc_finalizer
2729 gfc_symbol
* proc_sym
;
2730 gfc_symtree
* proc_tree
;
2733 #define gfc_get_finalizer() XCNEW (gfc_finalizer)
2736 /************************ Function prototypes *************************/
2739 bool gfc_in_match_data (void);
2740 match
gfc_match_char_spec (gfc_typespec
*);
2741 extern int directive_unroll
;
2743 /* Handling Parameterized Derived Types */
2744 bool gfc_insert_kind_parameter_exprs (gfc_expr
*);
2745 bool gfc_insert_parameter_exprs (gfc_expr
*, gfc_actual_arglist
*);
2746 match
gfc_get_pdt_instance (gfc_actual_arglist
*, gfc_symbol
**,
2747 gfc_actual_arglist
**);
2750 void gfc_scanner_done_1 (void);
2751 void gfc_scanner_init_1 (void);
2753 void gfc_add_include_path (const char *, bool, bool, bool);
2754 void gfc_add_intrinsic_modules_path (const char *);
2755 void gfc_release_include_path (void);
2756 FILE *gfc_open_included_file (const char *, bool, bool);
2758 int gfc_at_end (void);
2759 int gfc_at_eof (void);
2760 int gfc_at_bol (void);
2761 int gfc_at_eol (void);
2762 void gfc_advance_line (void);
2763 int gfc_check_include (void);
2764 int gfc_define_undef_line (void);
2766 int gfc_wide_is_printable (gfc_char_t
);
2767 int gfc_wide_is_digit (gfc_char_t
);
2768 int gfc_wide_fits_in_byte (gfc_char_t
);
2769 gfc_char_t
gfc_wide_tolower (gfc_char_t
);
2770 gfc_char_t
gfc_wide_toupper (gfc_char_t
);
2771 size_t gfc_wide_strlen (const gfc_char_t
*);
2772 int gfc_wide_strncasecmp (const gfc_char_t
*, const char *, size_t);
2773 gfc_char_t
*gfc_wide_memset (gfc_char_t
*, gfc_char_t
, size_t);
2774 char *gfc_widechar_to_char (const gfc_char_t
*, int);
2775 gfc_char_t
*gfc_char_to_widechar (const char *);
2777 #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
2779 void gfc_skip_comments (void);
2780 gfc_char_t
gfc_next_char_literal (gfc_instring
);
2781 gfc_char_t
gfc_next_char (void);
2782 char gfc_next_ascii_char (void);
2783 gfc_char_t
gfc_peek_char (void);
2784 char gfc_peek_ascii_char (void);
2785 void gfc_error_recovery (void);
2786 void gfc_gobble_whitespace (void);
2787 bool gfc_new_file (void);
2788 const char * gfc_read_orig_filename (const char *, const char **);
2790 extern gfc_source_form gfc_current_form
;
2791 extern const char *gfc_source_file
;
2792 extern locus gfc_current_locus
;
2794 void gfc_start_source_files (void);
2795 void gfc_end_source_files (void);
2798 void gfc_clear_ts (gfc_typespec
*);
2799 FILE *gfc_open_file (const char *);
2800 const char *gfc_basic_typename (bt
);
2801 const char *gfc_typename (gfc_typespec
*);
2802 const char *gfc_op2string (gfc_intrinsic_op
);
2803 const char *gfc_code2string (const mstring
*, int);
2804 int gfc_string2code (const mstring
*, const char *);
2805 const char *gfc_intent_string (sym_intent
);
2807 void gfc_init_1 (void);
2808 void gfc_init_2 (void);
2809 void gfc_done_1 (void);
2810 void gfc_done_2 (void);
2812 int get_c_kind (const char *, CInteropKind_t
*);
2814 const char *gfc_closest_fuzzy_match (const char *, char **);
2816 vec_push (char **&optr
, size_t &osz
, const char *elt
)
2818 /* {auto,}vec.safe_push () replacement. Don't ask.. */
2819 // if (strlen (elt) < 4) return; premature optimization: eliminated by cutoff
2820 optr
= XRESIZEVEC (char *, optr
, osz
+ 2);
2821 optr
[osz
] = CONST_CAST (char *, elt
);
2825 HOST_WIDE_INT
gfc_mpz_get_hwi (mpz_t
);
2826 void gfc_mpz_set_hwi (mpz_t
, const HOST_WIDE_INT
);
2829 unsigned int gfc_option_lang_mask (void);
2830 void gfc_init_options_struct (struct gcc_options
*);
2831 void gfc_init_options (unsigned int,
2832 struct cl_decoded_option
*);
2833 bool gfc_handle_option (size_t, const char *, HOST_WIDE_INT
, int, location_t
,
2834 const struct cl_option_handlers
*);
2835 bool gfc_post_options (const char **);
2836 char *gfc_get_option_string (void);
2839 void gfc_maybe_initialize_eh (void);
2842 const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1
;
2843 bool gfc_find_sym_in_expr (gfc_symbol
*, gfc_expr
*);
2846 void gfc_error_init_1 (void);
2847 void gfc_diagnostics_init (void);
2848 void gfc_diagnostics_finish (void);
2849 void gfc_buffer_error (bool);
2851 const char *gfc_print_wide_char (gfc_char_t
);
2853 bool gfc_warning (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2854 bool gfc_warning_now (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2855 bool gfc_warning_internal (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2856 bool gfc_warning_now_at (location_t loc
, int opt
, const char *gmsgid
, ...)
2857 ATTRIBUTE_GCC_GFC(3,4);
2859 void gfc_clear_warning (void);
2860 void gfc_warning_check (void);
2862 void gfc_error_opt (int opt
, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2863 void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2864 void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2);
2865 void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2866 void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN
ATTRIBUTE_GCC_GFC(1,2);
2867 void gfc_clear_error (void);
2868 bool gfc_error_check (void);
2869 bool gfc_error_flag_test (void);
2871 notification
gfc_notification_std (int);
2872 bool gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3);
2874 /* A general purpose syntax error. */
2875 #define gfc_syntax_error(ST) \
2876 gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST));
2878 #include "pretty-print.h" /* For output_buffer. */
2879 struct gfc_error_buffer
2882 output_buffer buffer
;
2883 gfc_error_buffer(void) : flag(false), buffer() {}
2886 void gfc_push_error (gfc_error_buffer
*);
2887 void gfc_pop_error (gfc_error_buffer
*);
2888 void gfc_free_error (gfc_error_buffer
*);
2890 void gfc_get_errors (int *, int *);
2891 void gfc_errors_to_warnings (bool);
2894 void gfc_arith_init_1 (void);
2895 void gfc_arith_done_1 (void);
2896 arith
gfc_check_integer_range (mpz_t p
, int kind
);
2897 bool gfc_check_character_range (gfc_char_t
, int);
2900 bool gfc_check_any_c_kind (gfc_typespec
*);
2901 int gfc_validate_kind (bt
, int, bool);
2902 int gfc_get_int_kind_from_width_isofortranenv (int size
);
2903 int gfc_get_real_kind_from_width_isofortranenv (int size
);
2904 tree
gfc_get_union_type (gfc_symbol
*);
2905 tree
gfc_get_derived_type (gfc_symbol
* derived
, int codimen
= 0);
2906 extern int gfc_index_integer_kind
;
2907 extern int gfc_default_integer_kind
;
2908 extern int gfc_max_integer_kind
;
2909 extern int gfc_default_real_kind
;
2910 extern int gfc_default_double_kind
;
2911 extern int gfc_default_character_kind
;
2912 extern int gfc_default_logical_kind
;
2913 extern int gfc_default_complex_kind
;
2914 extern int gfc_c_int_kind
;
2915 extern int gfc_atomic_int_kind
;
2916 extern int gfc_atomic_logical_kind
;
2917 extern int gfc_intio_kind
;
2918 extern int gfc_charlen_int_kind
;
2919 extern int gfc_size_kind
;
2920 extern int gfc_numeric_storage_size
;
2921 extern int gfc_character_storage_size
;
2923 #define gfc_logical_4_kind 4
2924 #define gfc_integer_4_kind 4
2927 void gfc_clear_new_implicit (void);
2928 bool gfc_add_new_implicit_range (int, int);
2929 bool gfc_merge_new_implicit (gfc_typespec
*);
2930 void gfc_set_implicit_none (bool, bool, locus
*);
2931 void gfc_check_function_type (gfc_namespace
*);
2932 bool gfc_is_intrinsic_typename (const char *);
2934 gfc_typespec
*gfc_get_default_type (const char *, gfc_namespace
*);
2935 bool gfc_set_default_type (gfc_symbol
*, int, gfc_namespace
*);
2937 void gfc_set_sym_referenced (gfc_symbol
*);
2939 bool gfc_add_attribute (symbol_attribute
*, locus
*);
2940 bool gfc_add_ext_attribute (symbol_attribute
*, ext_attr_id_t
, locus
*);
2941 bool gfc_add_allocatable (symbol_attribute
*, locus
*);
2942 bool gfc_add_codimension (symbol_attribute
*, const char *, locus
*);
2943 bool gfc_add_contiguous (symbol_attribute
*, const char *, locus
*);
2944 bool gfc_add_dimension (symbol_attribute
*, const char *, locus
*);
2945 bool gfc_add_external (symbol_attribute
*, locus
*);
2946 bool gfc_add_intrinsic (symbol_attribute
*, locus
*);
2947 bool gfc_add_optional (symbol_attribute
*, locus
*);
2948 bool gfc_add_kind (symbol_attribute
*, locus
*);
2949 bool gfc_add_len (symbol_attribute
*, locus
*);
2950 bool gfc_add_pointer (symbol_attribute
*, locus
*);
2951 bool gfc_add_cray_pointer (symbol_attribute
*, locus
*);
2952 bool gfc_add_cray_pointee (symbol_attribute
*, locus
*);
2953 match
gfc_mod_pointee_as (gfc_array_spec
*);
2954 bool gfc_add_protected (symbol_attribute
*, const char *, locus
*);
2955 bool gfc_add_result (symbol_attribute
*, const char *, locus
*);
2956 bool gfc_add_automatic (symbol_attribute
*, const char *, locus
*);
2957 bool gfc_add_save (symbol_attribute
*, save_state
, const char *, locus
*);
2958 bool gfc_add_threadprivate (symbol_attribute
*, const char *, locus
*);
2959 bool gfc_add_omp_declare_target (symbol_attribute
*, const char *, locus
*);
2960 bool gfc_add_omp_declare_target_link (symbol_attribute
*, const char *,
2962 bool gfc_add_saved_common (symbol_attribute
*, locus
*);
2963 bool gfc_add_target (symbol_attribute
*, locus
*);
2964 bool gfc_add_dummy (symbol_attribute
*, const char *, locus
*);
2965 bool gfc_add_generic (symbol_attribute
*, const char *, locus
*);
2966 bool gfc_add_common (symbol_attribute
*, locus
*);
2967 bool gfc_add_in_common (symbol_attribute
*, const char *, locus
*);
2968 bool gfc_add_in_equivalence (symbol_attribute
*, const char *, locus
*);
2969 bool gfc_add_data (symbol_attribute
*, const char *, locus
*);
2970 bool gfc_add_in_namelist (symbol_attribute
*, const char *, locus
*);
2971 bool gfc_add_sequence (symbol_attribute
*, const char *, locus
*);
2972 bool gfc_add_elemental (symbol_attribute
*, locus
*);
2973 bool gfc_add_pure (symbol_attribute
*, locus
*);
2974 bool gfc_add_recursive (symbol_attribute
*, locus
*);
2975 bool gfc_add_function (symbol_attribute
*, const char *, locus
*);
2976 bool gfc_add_subroutine (symbol_attribute
*, const char *, locus
*);
2977 bool gfc_add_volatile (symbol_attribute
*, const char *, locus
*);
2978 bool gfc_add_asynchronous (symbol_attribute
*, const char *, locus
*);
2979 bool gfc_add_proc (symbol_attribute
*attr
, const char *name
, locus
*where
);
2980 bool gfc_add_abstract (symbol_attribute
* attr
, locus
* where
);
2982 bool gfc_add_access (symbol_attribute
*, gfc_access
, const char *, locus
*);
2983 bool gfc_add_is_bind_c (symbol_attribute
*, const char *, locus
*, int);
2984 bool gfc_add_extension (symbol_attribute
*, locus
*);
2985 bool gfc_add_value (symbol_attribute
*, const char *, locus
*);
2986 bool gfc_add_flavor (symbol_attribute
*, sym_flavor
, const char *, locus
*);
2987 bool gfc_add_entry (symbol_attribute
*, const char *, locus
*);
2988 bool gfc_add_procedure (symbol_attribute
*, procedure_type
,
2989 const char *, locus
*);
2990 bool gfc_add_intent (symbol_attribute
*, sym_intent
, locus
*);
2991 bool gfc_add_explicit_interface (gfc_symbol
*, ifsrc
,
2992 gfc_formal_arglist
*, locus
*);
2993 bool gfc_add_type (gfc_symbol
*, gfc_typespec
*, locus
*);
2995 void gfc_clear_attr (symbol_attribute
*);
2996 bool gfc_missing_attr (symbol_attribute
*, locus
*);
2997 bool gfc_copy_attr (symbol_attribute
*, symbol_attribute
*, locus
*);
2998 int gfc_copy_dummy_sym (gfc_symbol
**, gfc_symbol
*, int);
2999 bool gfc_add_component (gfc_symbol
*, const char *, gfc_component
**);
3000 gfc_symbol
*gfc_use_derived (gfc_symbol
*);
3001 gfc_symtree
*gfc_use_derived_tree (gfc_symtree
*);
3002 gfc_component
*gfc_find_component (gfc_symbol
*, const char *, bool, bool,
3005 gfc_st_label
*gfc_get_st_label (int);
3006 void gfc_free_st_label (gfc_st_label
*);
3007 void gfc_define_st_label (gfc_st_label
*, gfc_sl_type
, locus
*);
3008 bool gfc_reference_st_label (gfc_st_label
*, gfc_sl_type
);
3010 gfc_namespace
*gfc_get_namespace (gfc_namespace
*, int);
3011 gfc_symtree
*gfc_new_symtree (gfc_symtree
**, const char *);
3012 gfc_symtree
*gfc_find_symtree (gfc_symtree
*, const char *);
3013 void gfc_delete_symtree (gfc_symtree
**, const char *);
3014 gfc_symtree
*gfc_get_unique_symtree (gfc_namespace
*);
3015 gfc_user_op
*gfc_get_uop (const char *);
3016 gfc_user_op
*gfc_find_uop (const char *, gfc_namespace
*);
3017 void gfc_free_symbol (gfc_symbol
*);
3018 void gfc_release_symbol (gfc_symbol
*);
3019 gfc_symbol
*gfc_new_symbol (const char *, gfc_namespace
*);
3020 gfc_symtree
* gfc_find_symtree_in_proc (const char *, gfc_namespace
*);
3021 int gfc_find_symbol (const char *, gfc_namespace
*, int, gfc_symbol
**);
3022 int gfc_find_sym_tree (const char *, gfc_namespace
*, int, gfc_symtree
**);
3023 int gfc_get_symbol (const char *, gfc_namespace
*, gfc_symbol
**);
3024 bool gfc_verify_c_interop (gfc_typespec
*);
3025 bool gfc_verify_c_interop_param (gfc_symbol
*);
3026 bool verify_bind_c_sym (gfc_symbol
*, gfc_typespec
*, int, gfc_common_head
*);
3027 bool verify_bind_c_derived_type (gfc_symbol
*);
3028 bool verify_com_block_vars_c_interop (gfc_common_head
*);
3029 gfc_symtree
*generate_isocbinding_symbol (const char *, iso_c_binding_symbol
,
3030 const char *, gfc_symtree
*, bool);
3031 void gfc_save_symbol_data (gfc_symbol
*);
3032 int gfc_get_sym_tree (const char *, gfc_namespace
*, gfc_symtree
**, bool);
3033 int gfc_get_ha_symbol (const char *, gfc_symbol
**);
3034 int gfc_get_ha_sym_tree (const char *, gfc_symtree
**);
3036 void gfc_drop_last_undo_checkpoint (void);
3037 void gfc_restore_last_undo_checkpoint (void);
3038 void gfc_undo_symbols (void);
3039 void gfc_commit_symbols (void);
3040 void gfc_commit_symbol (gfc_symbol
*);
3041 gfc_charlen
*gfc_new_charlen (gfc_namespace
*, gfc_charlen
*);
3042 void gfc_free_charlen (gfc_charlen
*, gfc_charlen
*);
3043 void gfc_free_namespace (gfc_namespace
*);
3045 void gfc_symbol_init_2 (void);
3046 void gfc_symbol_done_2 (void);
3048 void gfc_traverse_symtree (gfc_symtree
*, void (*)(gfc_symtree
*));
3049 void gfc_traverse_ns (gfc_namespace
*, void (*)(gfc_symbol
*));
3050 void gfc_traverse_user_op (gfc_namespace
*, void (*)(gfc_user_op
*));
3051 void gfc_save_all (gfc_namespace
*);
3053 void gfc_enforce_clean_symbol_state (void);
3054 void gfc_free_dt_list (void);
3057 gfc_gsymbol
*gfc_get_gsymbol (const char *);
3058 gfc_gsymbol
*gfc_find_gsymbol (gfc_gsymbol
*, const char *);
3059 gfc_gsymbol
*gfc_find_case_gsymbol (gfc_gsymbol
*, const char *);
3061 gfc_typebound_proc
* gfc_get_typebound_proc (gfc_typebound_proc
*);
3062 gfc_symbol
* gfc_get_derived_super_type (gfc_symbol
*);
3063 gfc_symbol
* gfc_get_ultimate_derived_super_type (gfc_symbol
*);
3064 bool gfc_type_is_extension_of (gfc_symbol
*, gfc_symbol
*);
3065 bool gfc_type_compatible (gfc_typespec
*, gfc_typespec
*);
3067 void gfc_copy_formal_args_intr (gfc_symbol
*, gfc_intrinsic_sym
*,
3068 gfc_actual_arglist
*);
3070 void gfc_free_finalizer (gfc_finalizer
*el
); /* Needed in resolve.c, too */
3072 bool gfc_check_symbol_typed (gfc_symbol
*, gfc_namespace
*, bool, locus
);
3073 gfc_namespace
* gfc_find_proc_namespace (gfc_namespace
*);
3075 bool gfc_is_associate_pointer (gfc_symbol
*);
3076 gfc_symbol
* gfc_find_dt_in_generic (gfc_symbol
*);
3077 gfc_formal_arglist
*gfc_sym_get_dummy_args (gfc_symbol
*);
3079 /* intrinsic.c -- true if working in an init-expr, false otherwise. */
3080 extern bool gfc_init_expr_flag
;
3082 /* Given a symbol that we have decided is intrinsic, mark it as such
3083 by placing it into a special module that is otherwise impossible to
3086 #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)")
3088 void gfc_intrinsic_init_1 (void);
3089 void gfc_intrinsic_done_1 (void);
3091 char gfc_type_letter (bt
);
3092 gfc_symbol
* gfc_get_intrinsic_sub_symbol (const char *);
3093 bool gfc_convert_type (gfc_expr
*, gfc_typespec
*, int);
3094 bool gfc_convert_type_warn (gfc_expr
*, gfc_typespec
*, int, int);
3095 bool gfc_convert_chartype (gfc_expr
*, gfc_typespec
*);
3096 int gfc_generic_intrinsic (const char *);
3097 int gfc_specific_intrinsic (const char *);
3098 bool gfc_is_intrinsic (gfc_symbol
*, int, locus
);
3099 int gfc_intrinsic_actual_ok (const char *, const bool);
3100 gfc_intrinsic_sym
*gfc_find_function (const char *);
3101 gfc_intrinsic_sym
*gfc_find_subroutine (const char *);
3102 gfc_intrinsic_sym
*gfc_intrinsic_function_by_id (gfc_isym_id
);
3103 gfc_intrinsic_sym
*gfc_intrinsic_subroutine_by_id (gfc_isym_id
);
3104 gfc_isym_id
gfc_isym_id_by_intmod (intmod_id
, int);
3105 gfc_isym_id
gfc_isym_id_by_intmod_sym (gfc_symbol
*);
3108 match
gfc_intrinsic_func_interface (gfc_expr
*, int);
3109 match
gfc_intrinsic_sub_interface (gfc_code
*, int);
3111 void gfc_warn_intrinsic_shadow (const gfc_symbol
*, bool, bool);
3112 bool gfc_check_intrinsic_standard (const gfc_intrinsic_sym
*, const char**,
3115 /* match.c -- FIXME */
3116 void gfc_free_iterator (gfc_iterator
*, int);
3117 void gfc_free_forall_iterator (gfc_forall_iterator
*);
3118 void gfc_free_alloc_list (gfc_alloc
*);
3119 void gfc_free_namelist (gfc_namelist
*);
3120 void gfc_free_omp_namelist (gfc_omp_namelist
*);
3121 void gfc_free_equiv (gfc_equiv
*);
3122 void gfc_free_equiv_until (gfc_equiv
*, gfc_equiv
*);
3123 void gfc_free_data (gfc_data
*);
3124 void gfc_reject_data (gfc_namespace
*);
3125 void gfc_free_case_list (gfc_case
*);
3127 /* matchexp.c -- FIXME too? */
3128 gfc_expr
*gfc_get_parentheses (gfc_expr
*);
3131 struct gfc_omp_saved_state
{ void *ptrs
[2]; int ints
[1]; };
3132 void gfc_free_omp_clauses (gfc_omp_clauses
*);
3133 void gfc_free_oacc_declare_clauses (struct gfc_oacc_declare
*);
3134 void gfc_free_omp_declare_simd (gfc_omp_declare_simd
*);
3135 void gfc_free_omp_declare_simd_list (gfc_omp_declare_simd
*);
3136 void gfc_free_omp_udr (gfc_omp_udr
*);
3137 gfc_omp_udr
*gfc_omp_udr_find (gfc_symtree
*, gfc_typespec
*);
3138 void gfc_resolve_omp_directive (gfc_code
*, gfc_namespace
*);
3139 void gfc_resolve_do_iterator (gfc_code
*, gfc_symbol
*, bool);
3140 void gfc_resolve_omp_local_vars (gfc_namespace
*);
3141 void gfc_resolve_omp_parallel_blocks (gfc_code
*, gfc_namespace
*);
3142 void gfc_resolve_omp_do_blocks (gfc_code
*, gfc_namespace
*);
3143 void gfc_resolve_omp_declare_simd (gfc_namespace
*);
3144 void gfc_resolve_omp_udrs (gfc_symtree
*);
3145 void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state
*);
3146 void gfc_omp_restore_state (struct gfc_omp_saved_state
*);
3147 void gfc_free_expr_list (gfc_expr_list
*);
3148 void gfc_resolve_oacc_directive (gfc_code
*, gfc_namespace
*);
3149 void gfc_resolve_oacc_declare (gfc_namespace
*);
3150 void gfc_resolve_oacc_parallel_loop_blocks (gfc_code
*, gfc_namespace
*);
3151 void gfc_resolve_oacc_blocks (gfc_code
*, gfc_namespace
*);
3154 void gfc_free_actual_arglist (gfc_actual_arglist
*);
3155 gfc_actual_arglist
*gfc_copy_actual_arglist (gfc_actual_arglist
*);
3157 bool gfc_extract_int (gfc_expr
*, int *, int = 0);
3158 bool gfc_extract_hwi (gfc_expr
*, HOST_WIDE_INT
*, int = 0);
3160 bool is_subref_array (gfc_expr
*);
3161 bool gfc_is_simply_contiguous (gfc_expr
*, bool, bool);
3162 bool gfc_check_init_expr (gfc_expr
*);
3164 gfc_expr
*gfc_build_conversion (gfc_expr
*);
3165 void gfc_free_ref_list (gfc_ref
*);
3166 void gfc_type_convert_binary (gfc_expr
*, int);
3167 bool gfc_is_constant_expr (gfc_expr
*);
3168 bool gfc_simplify_expr (gfc_expr
*, int);
3169 int gfc_has_vector_index (gfc_expr
*);
3171 gfc_expr
*gfc_get_expr (void);
3172 gfc_expr
*gfc_get_array_expr (bt type
, int kind
, locus
*);
3173 gfc_expr
*gfc_get_null_expr (locus
*);
3174 gfc_expr
*gfc_get_operator_expr (locus
*, gfc_intrinsic_op
,gfc_expr
*, gfc_expr
*);
3175 gfc_expr
*gfc_get_structure_constructor_expr (bt
, int, locus
*);
3176 gfc_expr
*gfc_get_constant_expr (bt
, int, locus
*);
3177 gfc_expr
*gfc_get_character_expr (int, locus
*, const char *, gfc_charlen_t len
);
3178 gfc_expr
*gfc_get_int_expr (int, locus
*, HOST_WIDE_INT
);
3179 gfc_expr
*gfc_get_logical_expr (int, locus
*, bool);
3180 gfc_expr
*gfc_get_iokind_expr (locus
*, io_kind
);
3182 void gfc_clear_shape (mpz_t
*shape
, int rank
);
3183 void gfc_free_shape (mpz_t
**shape
, int rank
);
3184 void gfc_free_expr (gfc_expr
*);
3185 void gfc_replace_expr (gfc_expr
*, gfc_expr
*);
3186 mpz_t
*gfc_copy_shape (mpz_t
*, int);
3187 mpz_t
*gfc_copy_shape_excluding (mpz_t
*, int, gfc_expr
*);
3188 gfc_expr
*gfc_copy_expr (gfc_expr
*);
3189 gfc_ref
* gfc_copy_ref (gfc_ref
*);
3191 bool gfc_specification_expr (gfc_expr
*);
3193 int gfc_numeric_ts (gfc_typespec
*);
3194 int gfc_kind_max (gfc_expr
*, gfc_expr
*);
3196 bool gfc_check_conformance (gfc_expr
*, gfc_expr
*, const char *, ...) ATTRIBUTE_PRINTF_3
;
3197 bool gfc_check_assign (gfc_expr
*, gfc_expr
*, int, bool c
= true);
3198 bool gfc_check_pointer_assign (gfc_expr
*, gfc_expr
*);
3199 bool gfc_check_assign_symbol (gfc_symbol
*, gfc_component
*, gfc_expr
*);
3201 gfc_expr
*gfc_build_default_init_expr (gfc_typespec
*, locus
*);
3202 gfc_expr
*gfc_build_init_expr (gfc_typespec
*, locus
*, bool);
3203 void gfc_apply_init (gfc_typespec
*, symbol_attribute
*, gfc_expr
*);
3204 bool gfc_has_default_initializer (gfc_symbol
*);
3205 gfc_expr
*gfc_default_initializer (gfc_typespec
*);
3206 gfc_expr
*gfc_generate_initializer (gfc_typespec
*, bool);
3207 gfc_expr
*gfc_get_variable_expr (gfc_symtree
*);
3208 void gfc_add_full_array_ref (gfc_expr
*, gfc_array_spec
*);
3209 gfc_expr
* gfc_lval_expr_from_sym (gfc_symbol
*);
3211 gfc_array_spec
*gfc_get_full_arrayspec_from_expr (gfc_expr
*expr
);
3213 bool gfc_traverse_expr (gfc_expr
*, gfc_symbol
*,
3214 bool (*)(gfc_expr
*, gfc_symbol
*, int*),
3216 void gfc_expr_set_symbols_referenced (gfc_expr
*);
3217 bool gfc_expr_check_typed (gfc_expr
*, gfc_namespace
*, bool);
3218 bool gfc_derived_parameter_expr (gfc_expr
*);
3219 gfc_param_spec_type
gfc_spec_list_type (gfc_actual_arglist
*, gfc_symbol
*);
3220 gfc_component
* gfc_get_proc_ptr_comp (gfc_expr
*);
3221 bool gfc_is_proc_ptr_comp (gfc_expr
*);
3222 bool gfc_is_alloc_class_scalar_function (gfc_expr
*);
3223 bool gfc_is_class_array_function (gfc_expr
*);
3225 bool gfc_ref_this_image (gfc_ref
*ref
);
3226 bool gfc_is_coindexed (gfc_expr
*);
3227 bool gfc_is_coarray (gfc_expr
*);
3228 int gfc_get_corank (gfc_expr
*);
3229 bool gfc_has_ultimate_allocatable (gfc_expr
*);
3230 bool gfc_has_ultimate_pointer (gfc_expr
*);
3231 gfc_expr
* gfc_find_team_co (gfc_expr
*);
3232 gfc_expr
* gfc_find_stat_co (gfc_expr
*);
3233 gfc_expr
* gfc_build_intrinsic_call (gfc_namespace
*, gfc_isym_id
, const char*,
3234 locus
, unsigned, ...);
3235 bool gfc_check_vardef_context (gfc_expr
*, bool, bool, bool, const char*);
3239 extern gfc_code new_st
;
3241 void gfc_clear_new_st (void);
3242 gfc_code
*gfc_get_code (gfc_exec_op
);
3243 gfc_code
*gfc_append_code (gfc_code
*, gfc_code
*);
3244 void gfc_free_statement (gfc_code
*);
3245 void gfc_free_statements (gfc_code
*);
3246 void gfc_free_association_list (gfc_association_list
*);
3249 bool gfc_resolve_expr (gfc_expr
*);
3250 void gfc_resolve (gfc_namespace
*);
3251 void gfc_resolve_code (gfc_code
*, gfc_namespace
*);
3252 void gfc_resolve_blocks (gfc_code
*, gfc_namespace
*);
3253 int gfc_impure_variable (gfc_symbol
*);
3254 int gfc_pure (gfc_symbol
*);
3255 int gfc_implicit_pure (gfc_symbol
*);
3256 void gfc_unset_implicit_pure (gfc_symbol
*);
3257 int gfc_elemental (gfc_symbol
*);
3258 bool gfc_resolve_iterator (gfc_iterator
*, bool, bool);
3259 bool find_forall_index (gfc_expr
*, gfc_symbol
*, int);
3260 bool gfc_resolve_index (gfc_expr
*, int);
3261 bool gfc_resolve_dim_arg (gfc_expr
*);
3262 bool gfc_is_formal_arg (void);
3263 void gfc_resolve_substring_charlen (gfc_expr
*);
3264 match
gfc_iso_c_sub_interface(gfc_code
*, gfc_symbol
*);
3265 gfc_expr
*gfc_expr_to_initialize (gfc_expr
*);
3266 bool gfc_type_is_extensible (gfc_symbol
*);
3267 bool gfc_resolve_intrinsic (gfc_symbol
*, locus
*);
3268 bool gfc_explicit_interface_required (gfc_symbol
*, char *, int);
3269 extern int gfc_do_concurrent_flag
;
3270 const char* gfc_lookup_function_fuzzy (const char *, gfc_symtree
*);
3271 int gfc_pure_function (gfc_expr
*e
, const char **name
);
3272 int gfc_implicit_pure_function (gfc_expr
*e
);
3276 gfc_iterator
*gfc_copy_iterator (gfc_iterator
*);
3278 void gfc_free_array_spec (gfc_array_spec
*);
3279 gfc_array_ref
*gfc_copy_array_ref (gfc_array_ref
*);
3281 bool gfc_set_array_spec (gfc_symbol
*, gfc_array_spec
*, locus
*);
3282 gfc_array_spec
*gfc_copy_array_spec (gfc_array_spec
*);
3283 bool gfc_resolve_array_spec (gfc_array_spec
*, int);
3285 int gfc_compare_array_spec (gfc_array_spec
*, gfc_array_spec
*);
3287 void gfc_simplify_iterator_var (gfc_expr
*);
3288 bool gfc_expand_constructor (gfc_expr
*, bool);
3289 int gfc_constant_ac (gfc_expr
*);
3290 int gfc_expanded_ac (gfc_expr
*);
3291 bool gfc_resolve_character_array_constructor (gfc_expr
*);
3292 bool gfc_resolve_array_constructor (gfc_expr
*);
3293 bool gfc_check_constructor_type (gfc_expr
*);
3294 bool gfc_check_iter_variable (gfc_expr
*);
3295 bool gfc_check_constructor (gfc_expr
*, bool (*)(gfc_expr
*));
3296 bool gfc_array_size (gfc_expr
*, mpz_t
*);
3297 bool gfc_array_dimen_size (gfc_expr
*, int, mpz_t
*);
3298 bool gfc_array_ref_shape (gfc_array_ref
*, mpz_t
*);
3299 gfc_array_ref
*gfc_find_array_ref (gfc_expr
*, bool a
= false);
3300 tree
gfc_conv_array_initializer (tree type
, gfc_expr
*);
3301 bool spec_size (gfc_array_spec
*, mpz_t
*);
3302 bool spec_dimen_size (gfc_array_spec
*, int, mpz_t
*);
3303 bool gfc_is_compile_time_shape (gfc_array_spec
*);
3305 bool gfc_ref_dimen_size (gfc_array_ref
*, int dimen
, mpz_t
*, mpz_t
*);
3308 /* interface.c -- FIXME: some of these should be in symbol.c */
3309 void gfc_free_interface (gfc_interface
*);
3310 bool gfc_compare_derived_types (gfc_symbol
*, gfc_symbol
*);
3311 bool gfc_compare_types (gfc_typespec
*, gfc_typespec
*);
3312 bool gfc_check_dummy_characteristics (gfc_symbol
*, gfc_symbol
*,
3314 bool gfc_check_result_characteristics (gfc_symbol
*, gfc_symbol
*,
3316 bool gfc_compare_interfaces (gfc_symbol
*, gfc_symbol
*, const char *, int, int,
3317 char *, int, const char *, const char *);
3318 void gfc_check_interfaces (gfc_namespace
*);
3319 bool gfc_procedure_use (gfc_symbol
*, gfc_actual_arglist
**, locus
*);
3320 void gfc_ppc_use (gfc_component
*, gfc_actual_arglist
**, locus
*);
3321 gfc_symbol
*gfc_search_interface (gfc_interface
*, int,
3322 gfc_actual_arglist
**);
3323 match
gfc_extend_expr (gfc_expr
*);
3324 void gfc_free_formal_arglist (gfc_formal_arglist
*);
3325 bool gfc_extend_assign (gfc_code
*, gfc_namespace
*);
3326 bool gfc_check_new_interface (gfc_interface
*, gfc_symbol
*, locus
);
3327 bool gfc_add_interface (gfc_symbol
*);
3328 gfc_interface
*gfc_current_interface_head (void);
3329 void gfc_set_current_interface_head (gfc_interface
*);
3330 gfc_symtree
* gfc_find_sym_in_symtree (gfc_symbol
*);
3331 bool gfc_arglist_matches_symbol (gfc_actual_arglist
**, gfc_symbol
*);
3332 bool gfc_check_operator_interface (gfc_symbol
*, gfc_intrinsic_op
, locus
);
3333 bool gfc_has_vector_subscript (gfc_expr
*);
3334 gfc_intrinsic_op
gfc_equivalent_op (gfc_intrinsic_op
);
3335 bool gfc_check_typebound_override (gfc_symtree
*, gfc_symtree
*);
3336 void gfc_check_dtio_interfaces (gfc_symbol
*);
3337 gfc_symtree
* gfc_find_typebound_dtio_proc (gfc_symbol
*, bool, bool);
3338 gfc_symbol
* gfc_find_specific_dtio_proc (gfc_symbol
*, bool, bool);
3342 extern gfc_st_label format_asterisk
;
3344 void gfc_free_open (gfc_open
*);
3345 bool gfc_resolve_open (gfc_open
*);
3346 void gfc_free_close (gfc_close
*);
3347 bool gfc_resolve_close (gfc_close
*);
3348 void gfc_free_filepos (gfc_filepos
*);
3349 bool gfc_resolve_filepos (gfc_filepos
*);
3350 void gfc_free_inquire (gfc_inquire
*);
3351 bool gfc_resolve_inquire (gfc_inquire
*);
3352 void gfc_free_dt (gfc_dt
*);
3353 bool gfc_resolve_dt (gfc_dt
*, locus
*);
3354 void gfc_free_wait (gfc_wait
*);
3355 bool gfc_resolve_wait (gfc_wait
*);
3356 extern bool async_io_dt
;
3359 void gfc_module_init_2 (void);
3360 void gfc_module_done_2 (void);
3361 void gfc_dump_module (const char *, int);
3362 bool gfc_check_symbol_access (gfc_symbol
*);
3363 void gfc_free_use_stmts (gfc_use_list
*);
3364 const char *gfc_dt_lower_string (const char *);
3365 const char *gfc_dt_upper_string (const char *);
3368 symbol_attribute
gfc_variable_attr (gfc_expr
*, gfc_typespec
*);
3369 symbol_attribute
gfc_expr_attr (gfc_expr
*);
3370 symbol_attribute
gfc_caf_attr (gfc_expr
*, bool i
= false, bool *r
= NULL
);
3371 match
gfc_match_rvalue (gfc_expr
**);
3372 match
gfc_match_varspec (gfc_expr
*, int, bool, bool);
3373 int gfc_check_digit (char, int);
3374 bool gfc_is_function_return_value (gfc_symbol
*, gfc_namespace
*);
3375 bool gfc_convert_to_structure_constructor (gfc_expr
*, gfc_symbol
*,
3377 gfc_actual_arglist
**, bool);
3380 void gfc_generate_code (gfc_namespace
*);
3381 void gfc_generate_module_code (gfc_namespace
*);
3383 /* trans-intrinsic.c */
3384 bool gfc_inline_intrinsic_function_p (gfc_expr
*);
3387 typedef int (*compare_fn
) (void *, void *);
3388 void gfc_insert_bbt (void *, void *, compare_fn
);
3389 void gfc_delete_bbt (void *, void *, compare_fn
);
3391 /* dump-parse-tree.c */
3392 void gfc_dump_parse_tree (gfc_namespace
*, FILE *);
3393 void gfc_dump_c_prototypes (gfc_namespace
*, FILE *);
3396 bool gfc_parse_file (void);
3397 void gfc_global_used (gfc_gsymbol
*, locus
*);
3398 gfc_namespace
* gfc_build_block_ns (gfc_namespace
*);
3401 int gfc_dep_compare_functions (gfc_expr
*, gfc_expr
*, bool);
3402 int gfc_dep_compare_expr (gfc_expr
*, gfc_expr
*);
3403 bool gfc_dep_difference (gfc_expr
*, gfc_expr
*, mpz_t
*);
3406 bool gfc_check_same_strlen (const gfc_expr
*, const gfc_expr
*, const char*);
3407 bool gfc_calculate_transfer_sizes (gfc_expr
*, gfc_expr
*, gfc_expr
*,
3408 size_t*, size_t*, size_t*);
3411 void gfc_fix_class_refs (gfc_expr
*e
);
3412 void gfc_add_component_ref (gfc_expr
*, const char *);
3413 void gfc_add_class_array_ref (gfc_expr
*);
3414 #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data")
3415 #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr")
3416 #define gfc_add_len_component(e) gfc_add_component_ref(e,"_len")
3417 #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash")
3418 #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size")
3419 #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init")
3420 #define gfc_add_final_component(e) gfc_add_component_ref(e,"_final")
3421 bool gfc_is_class_array_ref (gfc_expr
*, bool *);
3422 bool gfc_is_class_scalar_expr (gfc_expr
*);
3423 bool gfc_is_class_container_ref (gfc_expr
*e
);
3424 gfc_expr
*gfc_class_initializer (gfc_typespec
*, gfc_expr
*);
3425 unsigned int gfc_hash_value (gfc_symbol
*);
3426 gfc_expr
*gfc_get_len_component (gfc_expr
*e
);
3427 bool gfc_build_class_symbol (gfc_typespec
*, symbol_attribute
*,
3429 gfc_symbol
*gfc_find_derived_vtab (gfc_symbol
*);
3430 gfc_symbol
*gfc_find_vtab (gfc_typespec
*);
3431 gfc_symtree
* gfc_find_typebound_proc (gfc_symbol
*, bool*,
3432 const char*, bool, locus
*);
3433 gfc_symtree
* gfc_find_typebound_user_op (gfc_symbol
*, bool*,
3434 const char*, bool, locus
*);
3435 gfc_typebound_proc
* gfc_find_typebound_intrinsic_op (gfc_symbol
*, bool*,
3436 gfc_intrinsic_op
, bool,
3438 gfc_symtree
* gfc_get_tbp_symtree (gfc_symtree
**, const char*);
3439 bool gfc_is_finalizable (gfc_symbol
*, gfc_expr
**);
3441 #define CLASS_DATA(sym) sym->ts.u.derived->components
3442 #define UNLIMITED_POLY(sym) \
3443 (sym != NULL && sym->ts.type == BT_CLASS \
3444 && CLASS_DATA (sym) \
3445 && CLASS_DATA (sym)->ts.u.derived \
3446 && CLASS_DATA (sym)->ts.u.derived->attr.unlimited_polymorphic)
3447 #define IS_CLASS_ARRAY(sym) \
3448 (sym->ts.type == BT_CLASS \
3449 && CLASS_DATA (sym) \
3450 && CLASS_DATA (sym)->attr.dimension \
3451 && !CLASS_DATA (sym)->attr.class_pointer)
3453 /* frontend-passes.c */
3455 void gfc_run_passes (gfc_namespace
*);
3457 typedef int (*walk_code_fn_t
) (gfc_code
**, int *, void *);
3458 typedef int (*walk_expr_fn_t
) (gfc_expr
**, int *, void *);
3460 int gfc_dummy_code_callback (gfc_code
**, int *, void *);
3461 int gfc_expr_walker (gfc_expr
**, walk_expr_fn_t
, void *);
3462 int gfc_code_walker (gfc_code
**, walk_code_fn_t
, walk_expr_fn_t
, void *);
3466 void gfc_convert_mpz_to_signed (mpz_t
, int);
3467 gfc_expr
*gfc_simplify_ieee_functions (gfc_expr
*);
3468 bool gfc_is_size_zero_array (gfc_expr
*);
3472 bool gfc_is_reallocatable_lhs (gfc_expr
*);
3476 void finish_oacc_declare (gfc_namespace
*, gfc_symbol
*, bool);
3478 #endif /* GCC_GFORTRAN_H */